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Title: BIO1011 AP Quiz Week 1 / BIO 1011 Week 10 Quiz: Anatomy and Physiology: South University (Already graded A)
Description: BIO1011 Week 10 Quiz Grading Summary Question Type: # Of Questions: # Correct: Multiple Choice 100 97 Grade Details - All Questions Question 1. Question : Student Answer: Comments: The triplet codes needed to specify a specific polypeptide chain are found in the gene. anticodon. cytoplasm. polypeptide itself. codon. Question 2. Question : Student Answer: Comments: In order to maintain cellular homeostasis, an exchange pump ejects ions from the cell and imports ions. calcium; sodium potassium; calcium sodium; calcium potassium; sodium sodium; potassium Question 3. Question : Which of the following is the symbol for an amino group? Student Answer: Comments: –OH –AMO –PO3 –NH2 –COOH Question 4. Question : Student Answer: Comments: The plasmalemma includes glycolipids. integral proteins. phospholipids. all of the above A and C only Question 5. Question : Student Answer: Comments: The chemical behavior of an atom is determined by the outermost electron shell. the size of the atom. the number of neutrons. the mass of the nucleus. the number of protons. Question 6. Question : Which pH is closest to normal body pH? Student Answer: Comments: pH 2 pH 4 pH 3 pH 7 pH 8 Question 7. Question : Student Answer: Comments: Which of the following statements about the Golgi apparatus is false? produces secretory vesicles sends transport vesicles to the RER receives transport vesicles from the RER supplies new membrane components produces lysosomes Incorrect Question 8. Question : Student Answer: Comments: The endoplasmic reticulum is responsible for protein synthesis. lipid synthesis. drug and toxin neutralization. all of the above both A and C Incorrect Question 9. Question : Some cells contain large numbers of mitochondria while others have Student Answer: Comments: relatively few or none. This suggests that cells with large numbers of mitochondria have a low energy demand. cells with small numbers of mitochondria have a large ATP supply. cells with large numbers of mitochondria have a high energy demand. cells with large numbers of mitochondria are short-lived. some cells are older than others. Question 10. Question : Student Answer: Comments: Identify the correctly spelled term describing the organ that separates the ventral body cavity into superior and inferior cavities. diaphram diaphragm mediastinum mediastienum diafragm Question 11. Question : Student Answer: The genetically programmed death of cells is called metastasis. differentiation. mitosis. apoptosis. replication. Comments: Question 12. Question : Student Answer: Comments: In general, the nervous system does each of the following, except responds rapidly to change. directs very specific responses. directs long-term responses to change. helps to maintain homeostasis. both B and D Question 13. Question : Student Answer: Comments: Interaction between individual polypeptide chains to form a protein complex is structure. primary pentagonal tertiary secondary quaternary Question 14. Question : Student Answer: The reaction A + B + energy → AB is an example of a(n) decomposition reaction. equilibrium reaction. endergonic reaction. exchange reaction. Comments: exergonic reaction. Question 15. Question : Student Answer: Comments: If an isotope of oxygen has 8 protons, 10 neutrons, and 8 electrons, its mass number is 26. 16. 18. 12. 8. Question 16. Question : Student Answer: Comments: During mitosis, chromatids separate into daughter chromosomes during anaphase. telophase. metaphase. interphase. prophase. Question 17. Question : Student Answer: In hydrolysis reactions, compounds react with carbon, causing decomposition. water, causing synthesis. hydrogen, causing decomposition. Comments: glucose, causing decomposition. water, causing decomposition. Question 18. Question : Student Answer: Comments: H2O is an example of a(n) ionic formula. molecular formula. covalent formula. glucose molecule. water molecule. Incorrect Question 19. Question : Student Answer: Comments: The term means each enzyme catalyzes only one type of reaction. inertia activation saturation specificity monoreactive Question 20. Question : Student Answer: "Spikes" form on a blood cell when it is placed in a(n) solution. isotonic merotonic hypertonic homotonic hypotonic Comments: Question 21. Question : Student Answer: Comments: The study of the first two months of development is termed histology. pathology. embryology. cytology. organology. Question 22. Question : Student Answer: Comments: A cell or organ that responds to commands of the control center in negative feedback is termed a(n) hypothalamus. thermoregulator. effector. stimulus. receptor. Question 23. Question : Student Answer: A polysaccharide that is formed in liver and muscle cells to store glucose is fructose. glycogen. lactose. cellulose. sucrose. Comments: Question 24. Question : Renewal or modification of the cell membrane is a function of the Student Answer: mitochondria. Golgi apparatus. rough endoplasmic reticulum. microtubules. ribosomes. Comments: Question 25. Question : Imagine two rigid chambers separated by a rigid membrane that is freely permeable to water but impermeable to glucose. Side 1 contains a 10 percent glucose solution and side 2 contains pure water. At equilibrium, what will be the situation? Student Answer: No way to tell what the situation will be. The hydrostatic pressure will be higher in side 1. Water will continue to move from side 1 to side 2. Water will continue to move from side 2 to side 1. The hydrostatic pressure will be higher in side 2. Comments: Question 26. Question : Student Answer: Comments: Which has the greater concentration of hydrogen ions, a substance with a pH of 5 or a substance with a pH of 4? A pH of 4 is greater. A pH of 5 is greater. They are both equal; 4 and 5 are relative values. pH 9, if you mixed the solutions . Not enough information to say. Question 27. Question : Student Answer: Comments: The mediastinum contains the pleural cavities. separates the pleural cavities. contains the pericardial cavity. both A and C both B and C Question 28. Question : Student Answer: All organic compounds in the human body contain all of the following elements, except carbon. calcium. oxygen. hydrogen. both A and D Comments: Question 29. Question : Student Answer: Comments: A solution that contains a lower osmotic pressure than the cytoplasm of a cell is called isotonic. homotonic. hypertonic. merotonic. hypotonic. Question 30. Question : Student Answer: Comments: A person facing forward with hands at the sides and palms facing forward is in the prone position. frontal position. anatomical position. sagittal position. supine position. Question 31. Question : Student Answer: A mature red blood cell lacks a nucleus. Thus, it cannot make new proteins and will be worn out within a few months. can repair itself readily. is malformed. will be a long-lived cell. Comments: can only divide once more. Question 32. Question : Student Answer: Comments: Oxygen is required in biological systems for serving as structural components of bone. cellular metabolism. storage of energy. serving as catalysts. chemical messengers. Question 33. Question : Student Answer: Comments: The stage in a cell's life cycle in which the cell performs its normal functions and prepares for division is called metaphase. prophase. anaphase. telophase. interphase. Question 34. Question : Student Answer: Functions of the glycocalyx include identifying the cell for the immune system. lubricating and protecting the cell membrane. binding extracellular compounds. Comments: all of the above B and C only Incorrect Question 35. Question : Student Answer: Comments: The principal cations in our body fluids are and . chloride; bicarbonate sodium; potassium sodium; chloride sodium; calcium calcium; magnesium Question 36. Question : Student Answer: Comments: The weakest bond between two atoms is the bond. polar ionic hydrogen covalent nonpolar Question 37. Question : Student Answer: Which organelle is most prominent in cells that make large amounts of protein? nucleus chromosome nucleolus mitochondria proteasome Comments: Question 38. Question : Student Answer: Comments: In the body, inorganic compounds can serve as buffers. can make up proteins. may be held together by ionic bonds. are structural components of cells. both A and C Question 39. Question : Student Answer: Comments: Which of the following is-are needed to form a triglyceride molecule? 3 glycerol molecules 3 fatty acid molecules 1 glycerol molecule both A and C both B and C Question 40. Question : Student Answer: Which of the following organs is not contained within the abdominal cavity? ovary Comments: pancreas spleen stomach small intestine Incorrect Question 41. Question : Student Answer: Comments: Of the following choices, the pH of the least acidic solution is 12.0. 4.5. 2.3. 6.0. 1.0. Incorrect Question 42. Question : Student Answer: Comments: The most important metabolic fuel molecule in the body is sucrose. vitamins. protein. caffeine. glucose. Question 43. Question : mRNA is needed to synthesize _ in the cytoplasm. Student Answer: Comments: proteins phospholipids carbohydrates lipids all of the above Question 44. Question : Student Answer: Comments: The phosphorylation of adenosine forms ATP. 2ATP. ribose. ADP. AMP. Question 45. Question : Student Answer: Comments: Carbohydrates, lipids, and proteins are classified as salts. organic molecules. inorganic molecules. bases. acids. Question 46. Question : The heart is to the lungs. Student Answer: posterior lateral proximal medial distal Comments: Question 47. Question : What is the first part of the cell that is affected when the pH of extracellular fluid changes? Student Answer: the cytosol nucleolus cytoskeleton nucleus plasmalemma Comments: Question 48. Question : Assume that the transport of a particular amino acid across the plasmalemma is observed (1) to occur only down its concentration gradient and (2) to slow when a similar amino acid is added to the extracellular fluid. The movement of the amino acid through the membrane is most likely by Student Answer: pinocytosis. active transport. facilitated diffusion. diffusion. osmosis. Comments: Question 49. Question : When electrons are transferred from one atom to another, and the two atoms unite as a result of the opposite charges, Student Answer: a hydrogen bond is formed. an ion is formed. a covalent bond is formed. a molecule is formed. an ionic bond is formed. Comments: Incorrect Question 50. Question : Magnesium atoms have two electrons in the outermost shell. As a result, you would expect magnesium to form ions with a charge of Student Answer: +2. +1. -2. -1. either +2 or -2 Comments: Question 51. Question : Which of the following is not a cation? Student Answer: K+ Ca2+ Mg2+ Cl- Comments: Na+ Incorrect Question 52. Question : Student Answer: Comments: Which of the following substances would be most acidic? tomato juice, pH = 4 stomach secretions, pH = 1 lemon juice, pH = 2 urine, pH = 6 white wine, pH = 3 Question 53. Question : Student Answer: Comments: A chemical imbalance in the blood can cause the heart to stop pumping blood, which in turn will cause other tissues and organs to cease functioning. This observation supports the view that congenital defects can be life-threatening. chemical molecules make up cells. all levels of organization within an organism are interdependent. blood has magical properties. all organisms are composed of cells. Question 54. Question : Student Answer: The mRNA sequence that is complementary to the sequence ATC on DNA is UAG. AUG. TAG. AUC. ATC. Comments: Question 55. Question : Student Answer: Comments: Identify which of the following is both an anion and a compound: K+ Cl- HCO3- Na+ NaCl Incorrect Question 56. Question : Student Answer: Comments: Which of the following is not a function of protein? support metabolic regulation movement transport storage of genetic information Question 57. Question : Student Answer: Most of the fat found in the human body is in the form of triglycerides. prostaglandins. phospholipids. cholesterol. monoglycerides. Comments: Incorrect Question 58. Question : Student Answer: Comments: Anatomical features that change during illness are studied in anatomy. pathological microscopic regional surface gross Question 59. Question : Student Answer: Comments: Cardiovascular physiology is an example of pathological physiology. organ physiology. physiological chemistry. systemic physiology. histophysiology. Question 60. Question : There is a direct correlation between the potency of a general anesthetic such as ether and its ability to Student Answer: Comments: dissolve in water. dissolve in lipids. bind to proteins. bind to DNA. interact with carbohydrates. Question 61. Question : Student Answer: Comments: AB → A + B is to decomposition as A + B → AB is to metabolism. synthesis. exchange. combustion. replacement. Question 62. Question : Student Answer: Comments: Which of these transport processes always requires metabolic energy? diffusion carrier-mediated transport freely permeable impermeable vesicular transport Question 63. Question : Epithelium is connected to underlying connective tissue by Student Answer: proteoglycan. a basal lamina. a reticular lamina. interfacial canals. keratin. Comments: Question 64. Question : Each amino acid differs from another in the Student Answer: number of carboxyl groups. size of the amino group. number of central carbon atoms. nature of the side chain. number of peptide bonds in the molecule. Comments: Question Questi 65. on : Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following question(s): Microfilaments are labeled Student Answer: 1. 2. 3. 5. 6. Comments: Question 66. Question : Student Answer: Comments: Which one of the following is not one of the four main tissue categories? neural tissue connective tissue osseous tissue muscle tissue epithelial tissue Question 67. Question : Student Answer: Comments: Which of the following consists of a network of intracellular membranes with attached ribosomes? nucleoli smooth endoplasmic reticulum mitochondria Golgi apparatus rough endoplasmic reticulum Question 68. Question : Student Answer: Examination of a sample of glandular cells reveals an extensive network of smooth endoplasmic reticulum. Which of the following is the likeliest product of these cells? digestive enzymes antibodies transport proteins steroid hormones protein hormones Comments: Question 69. Question : Student Answer: Comments: Identify a structure located within the mediastinum. lung small intestine pericardial sac stomach spleen Question 70. Question : Student Answer: Comments: If the concentration of sodium chloride in the interstitial fluid surrounding cells decreases and the concentration of other solutes remains constant, the fluid outside of the cells will become hypertonic. the cells will shrink. the fluid outside of the cells will become isotonic. the cells will swell. the cells will not change. Question 71. Question : Student Answer: The skin swells and puckers during a long bath. This suggests that bath water is a(n) fluid. toxic hypotonic isotonic hypertonic Comments: diffusion Question 72. Question : Student Answer: Comments: A(n) removes hydrogen ions and a(n) releases hydrogen ions. acid; base element; compound molecule; acid base; acid compound; element Question 73. Question : Student Answer: Comments: An example of an inorganic substance is glycerol. water. fructose. carbon dioxide. both B and D Incorrect Question 74. Question : Student Answer: Which of following properties of microtubules is true? made of actin found only in the terminal web made of myosin Comments: another term for microfilaments interact with dynein and kinesin Question 75. Question : Student Answer: Comments: The nucleus of an atom consists of electrons. neutrons. protons + neutrons. protons. protons + electrons. Question 76. Question : Student Answer: Comments: Which of the following organs is located between the peritoneum and the body wall? kidney spleen urinary bladder stomach large intestine Question 77. Question : Student Answer: The mass of an atom is largely determined by the number of it has. protons + neutrons protons electrons protons + electrons neutrons Comments: Question Questi 78. on : Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following question(s): Lipid molecules pass into the cell through the structure labeled Student Answer: 1. 2. 3. 5. 6. Comments: Question 79. Question : Student Answer: Comments: According to the rules of complementary base pairing in nucleic acids, cytosine would pair with the base guanine. cytosine. uracil. thymine. adenine. Question 80. Question : Student Answer: Comments: A defense cell engulfing a bacterium illustrates endocytosis. pinocytosis. receptor-mediated endocytosis. phagocytosis. exocytosis. Question 81. Question : Student Answer: Functions of the plasmalemma include all of the following, except structural support. Comments: sensitivity to chemical changes in the extracellular fluid. thermal insulation. separation of the cytoplasm from the extracellular fluid. regulation of exchange of materials with the extracellular environment. Question 82. Question : Student Answer: Comments: A unit in messenger RNA consisting of a set of three consecutive nucleotides is termed a(n) amino acid. gene. tRNA. codon. anticodon. Question 83. Question : Student Answer: Comments: Loose connective tissue functions in all of the following ways, except supporting epithelia. filling spaces between organs. storing triacylglycerols. anchoring blood vessels and nerves. transporting substances between cells. Question 84. Question : As genes are functionally eliminated, the cell becomes limited in the Student Answer: Comments: range of proteins it can make. This specialization process is termed differentiation. cellular activation. structural integration. apoptosis. adaptation. Question 85. Question : Student Answer: Comments: Chondrocytes are to cartilage as osteocytes are to fat. bone. blood. neural tissue. epithelium. Question 86. Question : Student Answer: Comments: Which of the following is not a function of membrane proteins? act as carrier molecules for various solutes cell nutrient regulate the passage of ions act as anchors or stabilizers for the cell membrane bind to ligands Question 87. Question : Student Answer: Comments: Which element commonly has only a proton as its nucleus? argon helium hydrogen neon none of the above Question 88. Question : Student Answer: Comments: An alternate term for tumor is nucleoplasm. neoplasm. cytoplasm. benign malignancy. primary metastasis. Incorrect Question 89. Question : Student Answer: Comments: Lipids cushion organs against shocks. form essential structural components of cells. help to maintain body temperature. provide roughly twice the energy as carbohydrates. all of the above Question Questi 90. on : Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following question(s): What part of the plasmalemma is hydrophobic? Student Answer: 1 2 3 4 6 Comments: Incorrect Question 91. Question : Student Answer: Comments: Which form of endoplasmic reticulum modifies and packages newly synthesized proteins? rough endoplasmic reticulum raised endoplasmic reticulum smooth endoplasmic reticulum ribosomal endoplasmic reticulum proteosomes reticulum Question 92. Question : Student Answer: Comments: By weight, which element is the most plentiful in the human body? potassium carbon sulfur sodium oxygen Question 93. Question : Student Answer: Comments: The maximum rate of an enzyme reaction occurs at synthesis. saturation limit. dehydration. reversible. hydrolysis. Question 94. Question : Student Answer: Comments: Specific proteins are manufactured through the interaction of and . multiple enzymes; two types of RNA multiple carbohydrates; three types of DNA multiple enzymes; three types of DNA multiple enzymes; three types of RNA multiple proteins; three types of DNA Question 95. Question : Student Answer: Comments: Simple cuboidal epithelium is found at the surface of the skin. lining the trachea. lining blood vessels. lining the air sacs of the lungs. forming the kidney tubules. Question 96. Question : Student Answer: Which of the following cytoskeleton components moves the chromosomes during cell division? basal bodies thick filaments microfilaments intermediate filaments microtubules Comments: Question 97. Question : Student Answer: Comments: Which organ system provides support, protection of soft tissue, mineral storage, and blood formation? skeletal integumentary muscular nervous endocrine Question 98. Question : Student Answer: Comments: A cell duplicates its chromosomes during the phase. Go G2 G1 S Gm Question 99. Question : Student Answer: Compounds that can be synthesized or broken down by chemical reactions inside the body are called enzymes. organic compounds. inorganic compounds. nutrients. metabolites. Comments: Question 100. Question : All of the following are true concerning enzymes, except that they Student Answer: affect only the rate of a chemical reaction. are proteins. lower the activation energy required for a reaction. function as biological catalysts. are consumed during the reaction. Comments: * Times are displayed in (GMT-07:00) Mountain Time (US & Canada)

Title: BIO1011 AP Quiz Week 1 / BIO 1011 Week 10 Quiz: Anatomy and Physiology: South University (Already graded A)
Description: BIO1011 Week 10 Quiz Grading Summary Question Type: # Of Questions: # Correct: Multiple Choice 100 97 Grade Details - All Questions Question 1. Question : Student Answer: Comments: The triplet codes needed to specify a specific polypeptide chain are found in the gene. anticodon. cytoplasm. polypeptide itself. codon. Question 2. Question : Student Answer: Comments: In order to maintain cellular homeostasis, an exchange pump ejects ions from the cell and imports ions. calcium; sodium potassium; calcium sodium; calcium potassium; sodium sodium; potassium Question 3. Question : Which of the following is the symbol for an amino group? Student Answer: Comments: –OH –AMO –PO3 –NH2 –COOH Question 4. Question : Student Answer: Comments: The plasmalemma includes glycolipids. integral proteins. phospholipids. all of the above A and C only Question 5. Question : Student Answer: Comments: The chemical behavior of an atom is determined by the outermost electron shell. the size of the atom. the number of neutrons. the mass of the nucleus. the number of protons. Question 6. Question : Which pH is closest to normal body pH? Student Answer: Comments: pH 2 pH 4 pH 3 pH 7 pH 8 Question 7. Question : Student Answer: Comments: Which of the following statements about the Golgi apparatus is false? produces secretory vesicles sends transport vesicles to the RER receives transport vesicles from the RER supplies new membrane components produces lysosomes Incorrect Question 8. Question : Student Answer: Comments: The endoplasmic reticulum is responsible for protein synthesis. lipid synthesis. drug and toxin neutralization. all of the above both A and C Incorrect Question 9. Question : Some cells contain large numbers of mitochondria while others have Student Answer: Comments: relatively few or none. This suggests that cells with large numbers of mitochondria have a low energy demand. cells with small numbers of mitochondria have a large ATP supply. cells with large numbers of mitochondria have a high energy demand. cells with large numbers of mitochondria are short-lived. some cells are older than others. Question 10. Question : Student Answer: Comments: Identify the correctly spelled term describing the organ that separates the ventral body cavity into superior and inferior cavities. diaphram diaphragm mediastinum mediastienum diafragm Question 11. Question : Student Answer: The genetically programmed death of cells is called metastasis. differentiation. mitosis. apoptosis. replication. Comments: Question 12. Question : Student Answer: Comments: In general, the nervous system does each of the following, except responds rapidly to change. directs very specific responses. directs long-term responses to change. helps to maintain homeostasis. both B and D Question 13. Question : Student Answer: Comments: Interaction between individual polypeptide chains to form a protein complex is structure. primary pentagonal tertiary secondary quaternary Question 14. Question : Student Answer: The reaction A + B + energy → AB is an example of a(n) decomposition reaction. equilibrium reaction. endergonic reaction. exchange reaction. Comments: exergonic reaction. Question 15. Question : Student Answer: Comments: If an isotope of oxygen has 8 protons, 10 neutrons, and 8 electrons, its mass number is 26. 16. 18. 12. 8. Question 16. Question : Student Answer: Comments: During mitosis, chromatids separate into daughter chromosomes during anaphase. telophase. metaphase. interphase. prophase. Question 17. Question : Student Answer: In hydrolysis reactions, compounds react with carbon, causing decomposition. water, causing synthesis. hydrogen, causing decomposition. Comments: glucose, causing decomposition. water, causing decomposition. Question 18. Question : Student Answer: Comments: H2O is an example of a(n) ionic formula. molecular formula. covalent formula. glucose molecule. water molecule. Incorrect Question 19. Question : Student Answer: Comments: The term means each enzyme catalyzes only one type of reaction. inertia activation saturation specificity monoreactive Question 20. Question : Student Answer: "Spikes" form on a blood cell when it is placed in a(n) solution. isotonic merotonic hypertonic homotonic hypotonic Comments: Question 21. Question : Student Answer: Comments: The study of the first two months of development is termed histology. pathology. embryology. cytology. organology. Question 22. Question : Student Answer: Comments: A cell or organ that responds to commands of the control center in negative feedback is termed a(n) hypothalamus. thermoregulator. effector. stimulus. receptor. Question 23. Question : Student Answer: A polysaccharide that is formed in liver and muscle cells to store glucose is fructose. glycogen. lactose. cellulose. sucrose. Comments: Question 24. Question : Renewal or modification of the cell membrane is a function of the Student Answer: mitochondria. Golgi apparatus. rough endoplasmic reticulum. microtubules. ribosomes. Comments: Question 25. Question : Imagine two rigid chambers separated by a rigid membrane that is freely permeable to water but impermeable to glucose. Side 1 contains a 10 percent glucose solution and side 2 contains pure water. At equilibrium, what will be the situation? Student Answer: No way to tell what the situation will be. The hydrostatic pressure will be higher in side 1. Water will continue to move from side 1 to side 2. Water will continue to move from side 2 to side 1. The hydrostatic pressure will be higher in side 2. Comments: Question 26. Question : Student Answer: Comments: Which has the greater concentration of hydrogen ions, a substance with a pH of 5 or a substance with a pH of 4? A pH of 4 is greater. A pH of 5 is greater. They are both equal; 4 and 5 are relative values. pH 9, if you mixed the solutions . Not enough information to say. Question 27. Question : Student Answer: Comments: The mediastinum contains the pleural cavities. separates the pleural cavities. contains the pericardial cavity. both A and C both B and C Question 28. Question : Student Answer: All organic compounds in the human body contain all of the following elements, except carbon. calcium. oxygen. hydrogen. both A and D Comments: Question 29. Question : Student Answer: Comments: A solution that contains a lower osmotic pressure than the cytoplasm of a cell is called isotonic. homotonic. hypertonic. merotonic. hypotonic. Question 30. Question : Student Answer: Comments: A person facing forward with hands at the sides and palms facing forward is in the prone position. frontal position. anatomical position. sagittal position. supine position. Question 31. Question : Student Answer: A mature red blood cell lacks a nucleus. Thus, it cannot make new proteins and will be worn out within a few months. can repair itself readily. is malformed. will be a long-lived cell. Comments: can only divide once more. Question 32. Question : Student Answer: Comments: Oxygen is required in biological systems for serving as structural components of bone. cellular metabolism. storage of energy. serving as catalysts. chemical messengers. Question 33. Question : Student Answer: Comments: The stage in a cell's life cycle in which the cell performs its normal functions and prepares for division is called metaphase. prophase. anaphase. telophase. interphase. Question 34. Question : Student Answer: Functions of the glycocalyx include identifying the cell for the immune system. lubricating and protecting the cell membrane. binding extracellular compounds. Comments: all of the above B and C only Incorrect Question 35. Question : Student Answer: Comments: The principal cations in our body fluids are and . chloride; bicarbonate sodium; potassium sodium; chloride sodium; calcium calcium; magnesium Question 36. Question : Student Answer: Comments: The weakest bond between two atoms is the bond. polar ionic hydrogen covalent nonpolar Question 37. Question : Student Answer: Which organelle is most prominent in cells that make large amounts of protein? nucleus chromosome nucleolus mitochondria proteasome Comments: Question 38. Question : Student Answer: Comments: In the body, inorganic compounds can serve as buffers. can make up proteins. may be held together by ionic bonds. are structural components of cells. both A and C Question 39. Question : Student Answer: Comments: Which of the following is-are needed to form a triglyceride molecule? 3 glycerol molecules 3 fatty acid molecules 1 glycerol molecule both A and C both B and C Question 40. Question : Student Answer: Which of the following organs is not contained within the abdominal cavity? ovary Comments: pancreas spleen stomach small intestine Incorrect Question 41. Question : Student Answer: Comments: Of the following choices, the pH of the least acidic solution is 12.0. 4.5. 2.3. 6.0. 1.0. Incorrect Question 42. Question : Student Answer: Comments: The most important metabolic fuel molecule in the body is sucrose. vitamins. protein. caffeine. glucose. Question 43. Question : mRNA is needed to synthesize _ in the cytoplasm. Student Answer: Comments: proteins phospholipids carbohydrates lipids all of the above Question 44. Question : Student Answer: Comments: The phosphorylation of adenosine forms ATP. 2ATP. ribose. ADP. AMP. Question 45. Question : Student Answer: Comments: Carbohydrates, lipids, and proteins are classified as salts. organic molecules. inorganic molecules. bases. acids. Question 46. Question : The heart is to the lungs. Student Answer: posterior lateral proximal medial distal Comments: Question 47. Question : What is the first part of the cell that is affected when the pH of extracellular fluid changes? Student Answer: the cytosol nucleolus cytoskeleton nucleus plasmalemma Comments: Question 48. Question : Assume that the transport of a particular amino acid across the plasmalemma is observed (1) to occur only down its concentration gradient and (2) to slow when a similar amino acid is added to the extracellular fluid. The movement of the amino acid through the membrane is most likely by Student Answer: pinocytosis. active transport. facilitated diffusion. diffusion. osmosis. Comments: Question 49. Question : When electrons are transferred from one atom to another, and the two atoms unite as a result of the opposite charges, Student Answer: a hydrogen bond is formed. an ion is formed. a covalent bond is formed. a molecule is formed. an ionic bond is formed. Comments: Incorrect Question 50. Question : Magnesium atoms have two electrons in the outermost shell. As a result, you would expect magnesium to form ions with a charge of Student Answer: +2. +1. -2. -1. either +2 or -2 Comments: Question 51. Question : Which of the following is not a cation? Student Answer: K+ Ca2+ Mg2+ Cl- Comments: Na+ Incorrect Question 52. Question : Student Answer: Comments: Which of the following substances would be most acidic? tomato juice, pH = 4 stomach secretions, pH = 1 lemon juice, pH = 2 urine, pH = 6 white wine, pH = 3 Question 53. Question : Student Answer: Comments: A chemical imbalance in the blood can cause the heart to stop pumping blood, which in turn will cause other tissues and organs to cease functioning. This observation supports the view that congenital defects can be life-threatening. chemical molecules make up cells. all levels of organization within an organism are interdependent. blood has magical properties. all organisms are composed of cells. Question 54. Question : Student Answer: The mRNA sequence that is complementary to the sequence ATC on DNA is UAG. AUG. TAG. AUC. ATC. Comments: Question 55. Question : Student Answer: Comments: Identify which of the following is both an anion and a compound: K+ Cl- HCO3- Na+ NaCl Incorrect Question 56. Question : Student Answer: Comments: Which of the following is not a function of protein? support metabolic regulation movement transport storage of genetic information Question 57. Question : Student Answer: Most of the fat found in the human body is in the form of triglycerides. prostaglandins. phospholipids. cholesterol. monoglycerides. Comments: Incorrect Question 58. Question : Student Answer: Comments: Anatomical features that change during illness are studied in anatomy. pathological microscopic regional surface gross Question 59. Question : Student Answer: Comments: Cardiovascular physiology is an example of pathological physiology. organ physiology. physiological chemistry. systemic physiology. histophysiology. Question 60. Question : There is a direct correlation between the potency of a general anesthetic such as ether and its ability to Student Answer: Comments: dissolve in water. dissolve in lipids. bind to proteins. bind to DNA. interact with carbohydrates. Question 61. Question : Student Answer: Comments: AB → A + B is to decomposition as A + B → AB is to metabolism. synthesis. exchange. combustion. replacement. Question 62. Question : Student Answer: Comments: Which of these transport processes always requires metabolic energy? diffusion carrier-mediated transport freely permeable impermeable vesicular transport Question 63. Question : Epithelium is connected to underlying connective tissue by Student Answer: proteoglycan. a basal lamina. a reticular lamina. interfacial canals. keratin. Comments: Question 64. Question : Each amino acid differs from another in the Student Answer: number of carboxyl groups. size of the amino group. number of central carbon atoms. nature of the side chain. number of peptide bonds in the molecule. Comments: Question Questi 65. on : Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following question(s): Microfilaments are labeled Student Answer: 1. 2. 3. 5. 6. Comments: Question 66. Question : Student Answer: Comments: Which one of the following is not one of the four main tissue categories? neural tissue connective tissue osseous tissue muscle tissue epithelial tissue Question 67. Question : Student Answer: Comments: Which of the following consists of a network of intracellular membranes with attached ribosomes? nucleoli smooth endoplasmic reticulum mitochondria Golgi apparatus rough endoplasmic reticulum Question 68. Question : Student Answer: Examination of a sample of glandular cells reveals an extensive network of smooth endoplasmic reticulum. Which of the following is the likeliest product of these cells? digestive enzymes antibodies transport proteins steroid hormones protein hormones Comments: Question 69. Question : Student Answer: Comments: Identify a structure located within the mediastinum. lung small intestine pericardial sac stomach spleen Question 70. Question : Student Answer: Comments: If the concentration of sodium chloride in the interstitial fluid surrounding cells decreases and the concentration of other solutes remains constant, the fluid outside of the cells will become hypertonic. the cells will shrink. the fluid outside of the cells will become isotonic. the cells will swell. the cells will not change. Question 71. Question : Student Answer: The skin swells and puckers during a long bath. This suggests that bath water is a(n) fluid. toxic hypotonic isotonic hypertonic Comments: diffusion Question 72. Question : Student Answer: Comments: A(n) removes hydrogen ions and a(n) releases hydrogen ions. acid; base element; compound molecule; acid base; acid compound; element Question 73. Question : Student Answer: Comments: An example of an inorganic substance is glycerol. water. fructose. carbon dioxide. both B and D Incorrect Question 74. Question : Student Answer: Which of following properties of microtubules is true? made of actin found only in the terminal web made of myosin Comments: another term for microfilaments interact with dynein and kinesin Question 75. Question : Student Answer: Comments: The nucleus of an atom consists of electrons. neutrons. protons + neutrons. protons. protons + electrons. Question 76. Question : Student Answer: Comments: Which of the following organs is located between the peritoneum and the body wall? kidney spleen urinary bladder stomach large intestine Question 77. Question : Student Answer: The mass of an atom is largely determined by the number of it has. protons + neutrons protons electrons protons + electrons neutrons Comments: Question Questi 78. on : Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following question(s): Lipid molecules pass into the cell through the structure labeled Student Answer: 1. 2. 3. 5. 6. Comments: Question 79. Question : Student Answer: Comments: According to the rules of complementary base pairing in nucleic acids, cytosine would pair with the base guanine. cytosine. uracil. thymine. adenine. Question 80. Question : Student Answer: Comments: A defense cell engulfing a bacterium illustrates endocytosis. pinocytosis. receptor-mediated endocytosis. phagocytosis. exocytosis. Question 81. Question : Student Answer: Functions of the plasmalemma include all of the following, except structural support. Comments: sensitivity to chemical changes in the extracellular fluid. thermal insulation. separation of the cytoplasm from the extracellular fluid. regulation of exchange of materials with the extracellular environment. Question 82. Question : Student Answer: Comments: A unit in messenger RNA consisting of a set of three consecutive nucleotides is termed a(n) amino acid. gene. tRNA. codon. anticodon. Question 83. Question : Student Answer: Comments: Loose connective tissue functions in all of the following ways, except supporting epithelia. filling spaces between organs. storing triacylglycerols. anchoring blood vessels and nerves. transporting substances between cells. Question 84. Question : As genes are functionally eliminated, the cell becomes limited in the Student Answer: Comments: range of proteins it can make. This specialization process is termed differentiation. cellular activation. structural integration. apoptosis. adaptation. Question 85. Question : Student Answer: Comments: Chondrocytes are to cartilage as osteocytes are to fat. bone. blood. neural tissue. epithelium. Question 86. Question : Student Answer: Comments: Which of the following is not a function of membrane proteins? act as carrier molecules for various solutes cell nutrient regulate the passage of ions act as anchors or stabilizers for the cell membrane bind to ligands Question 87. Question : Student Answer: Comments: Which element commonly has only a proton as its nucleus? argon helium hydrogen neon none of the above Question 88. Question : Student Answer: Comments: An alternate term for tumor is nucleoplasm. neoplasm. cytoplasm. benign malignancy. primary metastasis. Incorrect Question 89. Question : Student Answer: Comments: Lipids cushion organs against shocks. form essential structural components of cells. help to maintain body temperature. provide roughly twice the energy as carbohydrates. all of the above Question Questi 90. on : Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following question(s): What part of the plasmalemma is hydrophobic? Student Answer: 1 2 3 4 6 Comments: Incorrect Question 91. Question : Student Answer: Comments: Which form of endoplasmic reticulum modifies and packages newly synthesized proteins? rough endoplasmic reticulum raised endoplasmic reticulum smooth endoplasmic reticulum ribosomal endoplasmic reticulum proteosomes reticulum Question 92. Question : Student Answer: Comments: By weight, which element is the most plentiful in the human body? potassium carbon sulfur sodium oxygen Question 93. Question : Student Answer: Comments: The maximum rate of an enzyme reaction occurs at synthesis. saturation limit. dehydration. reversible. hydrolysis. Question 94. Question : Student Answer: Comments: Specific proteins are manufactured through the interaction of and . multiple enzymes; two types of RNA multiple carbohydrates; three types of DNA multiple enzymes; three types of DNA multiple enzymes; three types of RNA multiple proteins; three types of DNA Question 95. Question : Student Answer: Comments: Simple cuboidal epithelium is found at the surface of the skin. lining the trachea. lining blood vessels. lining the air sacs of the lungs. forming the kidney tubules. Question 96. Question : Student Answer: Which of the following cytoskeleton components moves the chromosomes during cell division? basal bodies thick filaments microfilaments intermediate filaments microtubules Comments: Question 97. Question : Student Answer: Comments: Which organ system provides support, protection of soft tissue, mineral storage, and blood formation? skeletal integumentary muscular nervous endocrine Question 98. Question : Student Answer: Comments: A cell duplicates its chromosomes during the phase. Go G2 G1 S Gm Question 99. Question : Student Answer: Compounds that can be synthesized or broken down by chemical reactions inside the body are called enzymes. organic compounds. inorganic compounds. nutrients. metabolites. Comments: Question 100. Question : All of the following are true concerning enzymes, except that they Student Answer: affect only the rate of a chemical reaction. are proteins. lower the activation energy required for a reaction. function as biological catalysts. are consumed during the reaction. Comments: * Times are displayed in (GMT-07:00) Mountain Time (US & Canada)