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BIOLOGICAL MOLECULES A LEVEL BIOLOGY EXAM WITH QUESTIONS AND CORRECT ANSWERS.

What is a non-reducing sugar? - Correct Answers -~ Some disaccharides like sucrose How to evaluate the concentration of reducing sugar? - Correct Answers -~ Filter the solution and weigh the precipitate ~ Remove the precipitate and use a colorimeter to measure the absorbance of light of remaining solution - Each colour of precipitate lets a certain amount of light through Describe the test for starch (E.g. amylopectin & amylose)? - Correct Answers -~ Add iodine dissolved in potassium iodide solution to the sample ~ Positive result means it will go from browny-orange to a blue-black colour Describe the structure of triglycerides? - Correct Answers -~ Have one molecule of glycerol with 3 fatty acids attached ~ Fatty acids made of hydrocarbons ~ The tails are hydrophobic so makes triglycerides insoluble

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Organizacion del sistema nervioso periferico

Descripción general del sistema nervioso específicamente del sistema periférico

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Enzyme( exercises)

Practice making perfect!!! Try doing the tutorials in order to enhance your understanding. There are a total of 10 questions with answers given

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IB BIOLOGY HL TOPIC 2

These are notes for the IB Biology Course at the Higher Level. These notes encompass all the material that is required for 2016 Syllabus and were taken using the Oxford Course Companion.

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