Biomolecules - Proteins and Enzymes

Grade 12 Chemistry — Biomolecules - Proteins and Enzymes: 25 practice questions with instant scoring and explanations.

1. Which of the following best describes what proteins are?
2. Amino acids have:
3. There are approximately ___ amino acids in nature:
4. Amino acids are linked by:
5. Peptide bonds form between:
6. Dipeptides contain:
7. Polypeptides are:
8. Primary structure of protein is:
9. Secondary structure includes:
10. α-helix is stabilized by:
11. β-pleated sheet is formed by:
12. Tertiary structure is determined by:
13. Tertiary structure is stabilized by:
14. Quaternary structure occurs in:
15. Denaturation of protein causes:
16. Which of the following best describes what enzymes are?
17. Cofactors of enzymes are:
18. Enzyme substrate complex forms through:
19. Lock and key model suggests:
20. Induced fit model suggests:
21. Enzyme specificity depends on:
22. Enzyme inhibition can be:
23. Competitive inhibitors:
24. Enzymes show maximum activity at:
25. Temperature increase causes enzyme activity to: