AQA AS Biology 1

Welcome to your AQA AS Biology 1

1. Select the incorrect statement regarding cells.
2. Which of the following has no membrane?
3. Select the incorrect statement with regard to cell-surface membranes.
4. The most common protein found in animals.
5. The most abundant organic molecule present on the earth.
6. Which of the following is not a disaccharide?
7. Select the incorrect statement about triglycerides.
8. Which is known as the universal energy carrier?
9. Select the incorrect sentence out of the following.
10. Which indicates an indirect evidence for evolution?
11. Select the incorrect statement from the following.
12. The composition of starch.
13. Which of the following does not react with Benedict's solution?
14. The bond which does not exist in the structure of a protein.
15. Which of the following solutions turn milky white upon adding ethanol and water?

a) A slice of potato
b) Milk
c) Palm oil
d) A piece of apple
16. A condensation reaction between two amino acids forms the following bond.
17. The accepted theory of how eukaryotic cells evolved from prokaryotic cells.
18. Which of the following is a double membrane bound organelle?
19. What are the components of a nucleotide?
20. Which of the following is a single membrane bound organelle?
21. Choose the correct sentences out of the following.

a) All enzymes are proteins.
b) Some hormones are proteins.
c) Proteins are micromolecules.
d) All proteins are made from different monomers.
22. A substance that speeds up a chemical reaction without being changed by the reaction.
23. What happens when a Biuret reagent is added to a solution of free amino acids?
24. Select the incorrect statement about monosaccharides.
25. The fuction of internal membranes in eukaryotic cells.

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