Search for notes by fellow students, in your own course and all over the country.
Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.
Title: AS BIOLOGY B (2015) TOPICS 1 AND 2 QUESTIONS
Description: These notes are appropriate for students in year 12 and 13 studying the new A LEVEL BIOLOGY B as of 2015 (pearson qualification) They cover questions for topic 1 and 2. See other uploads for the answers to these questions and for the remainder of the topics within this A level.
Description: These notes are appropriate for students in year 12 and 13 studying the new A LEVEL BIOLOGY B as of 2015 (pearson qualification) They cover questions for topic 1 and 2. See other uploads for the answers to these questions and for the remainder of the topics within this A level.
Document Preview
Extracts from the notes are below, to see the PDF you'll receive please use the links above
TOPICS 1+2
EDEXCEL BIOLOGY
AS LEVEL
Topic 1: Biological molecules
Questions only
1
...
3
...
5
...
7
...
9
...
11
...
13
...
How is a ‘fat/oil’ formed?
How is a triglyceride formed, including the bond and type of condensation reaction?
What is saturated lipid?
14
...
How does the structure of lipids relate to their function with relation to energy storage,
water proofing and insulation?
16
...
What do phospholipids contain?
18
...
What is a micelle?
20
...
What is the structure of an amino acid?
22
...
What are the roles of hydrogen, ionic and disulphide bonds in the structure of proteins?
24
...
What are the properties of fibrous proteins?
26
...
How are the structures of collagen and haemoglobin related to their function?
28
...
What is the difference between pyrimidines and purines?
30
...
How was the theory of DNA replication brought about?
32
...
What does this model assume?
34
...
What is a gene?
36
...
What is the structure and role of TRNA?
38
...
What are the stages of protein synthesis?
40
...
What is a point mutation?
42
...
What is sickle cell anaemia and how does is affect the proteins in the body?
44
...
46
...
What are enzymes?
What is the lock and key hypothesis?
What is the induced fit hypothesis?
What do enzymes do to reactions?
© 2015 Produced by Zsara Finch
2
TOPICS 1+2
48
...
50
...
52
...
52
...
54
...
EDEXCEL BIOLOGY
AS LEVEL
What is competitive inhibition?
What is non-competitive inhibition?
What is end-product inhibition?
What is an anabolic reaction?
What is a catabolic reaction?
What are intra-cellular enzymes?
What are extra-cellular enzymes?
What is molecular activity?
What factors affect the rate of enzyme activity?
How do they affect enzymes activity?
Topic 2: Cells, viruses and reproduction of living things
1
...
What are complex organisms made up of and how are they organised?
3
...
What are eukaryotic cells made up of and what are their functions
5
...
What additional elements do eukaryotic plant cells have?
7
...
What do antibiotics do?
...
What is the magnification equation?
10
...
What does an electron microscope have that a light microscope doesn’t?
12
...
CORE PRACTICAL 2
© 2015 Produced by Zsara Finch
3
TOPICS 1+2
EDEXCEL BIOLOGY
AS LEVEL
14
...
What is lytic cycle?
16
...
What are positive ssRNA viruses
18
...
What are RNA retroviruses
20
...
Why do antivirals have to work this way?
22
...
Evaluate the ethical implications of using untested drugs during epidemics
24
...
What happens to genetic material during the cell cycle?
26
...
How does mitosis contribute to growth and repair?
28
...
CORE PRACTICAL 3
30
...
How does meiosis result in genetic variation?
32
...
What are the types of mutation and what do they do?
34
...
What can non-disjunction lead to including examples
...
How does sexual reproduction occur in mammals?
37
...
Draw and identify the parts of the sperm and the egg
...
How does fertilisation occur in mammals?
40
...
How does sexual reproduction occur in plants?
42
...
How does the male nuclei form and reach the embryo sac?
44
...
How does the process of double fertilisation occur to form a triploid endosperm and a
zygote?
© 2015 Produced by Zsara Finch
5
Title: AS BIOLOGY B (2015) TOPICS 1 AND 2 QUESTIONS
Description: These notes are appropriate for students in year 12 and 13 studying the new A LEVEL BIOLOGY B as of 2015 (pearson qualification) They cover questions for topic 1 and 2. See other uploads for the answers to these questions and for the remainder of the topics within this A level.
Description: These notes are appropriate for students in year 12 and 13 studying the new A LEVEL BIOLOGY B as of 2015 (pearson qualification) They cover questions for topic 1 and 2. See other uploads for the answers to these questions and for the remainder of the topics within this A level.