Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

AQA AS Biology - Unit 1 - Chapter 2

3,498 views

Published on

This is a quick revision quiz on the second chapter of the AQA student book about enzymes and digestion.

Published in: Education
  • Be the first to comment

AQA AS Biology - Unit 1 - Chapter 2

  1. 1. AS AQA Biology UNIT 1 Chapter 2 Revision Quiz Enzymes and the digestive system Total: ___ / 26 ___ %
  2. 2. 1. Which part of the digestive system absorbs water? (1) ………………………………………………………………....... 2. What does the pancreas produce that helps with digestion? (1) ………………………………………………………………....... 3. What are the two stages of digestion? (2) ………………………………………………………………....... 4. What is it called when you split up a larger molecule using water? (1) ………………………………………………………………....... 5. What chemical do you use to test for reducing sugars and what colour does it turn with high sugar? (2) ………………………………………………………………....... 6. What bond is formed when two monosaccharide’s join to become a disaccharide? (1) ………………………………………………………………....... 7. Draw alpha glucose? (3)
  3. 3. 8. Briefly describe the test for non-reducing sugars? (2) ………………………………………………………………....... ………………………………………………………………....... ………………………………………………………………....... 9. Name the enzymes involved in the breakdown of starch? (2) ………………………………………………………………....... 10. What sort of reaction is needed to produce a polypeptide from many amino acid monomers? (1) ………………………………………………………………....... 11. What sorts of bonds are formed during the secondary structure in proteins? (1) ………………………………………………………………....... 12. Give an example of a fibrous protein (1) ………………………………………………………………....... 13. Which part of an enzyme does the substrate fit into? (1) ………………………………………………………………....... 14. How do enzymes catalyse a reaction? (1) ……………………………………………………………….......
  4. 4. 15. Name the two models of how enzymes bind with substrates. (2) ………………………………………………………………....... ………………………………………………………………....... 16. How does a change in pH affect the active site of an enzyme? (2) ………………………………………………………………....... ………………………………………………………………....... 17. What is the difference between a competitive and noncompetitive inhibitor? (2) ………………………………………………………………....... ……………………………………………………………….......

×