C1.1 Enzymes and metabolism Quiz
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5 questions, one answer each
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1. Which is an extracellular enzyme-catalysed process?
- A. Glycolysis
- B. Krebs cycle
- C. Digestion of protein in the stomach
- D. Calvin cycle
2. Which is a cyclical pathway?
- A. Glycolysis
- B. Krebs cycle
- C. Digestion of starch
- D. Protein synthesis
3. Statins are:
- A. Non-competitive inhibitors
- B. Competitive inhibitors
- C. Allosteric activators
- D. Mechanism-based inhibitors
4. In feedback inhibition, the inhibitor is usually:
- A. The first substrate
- B. The end product
- C. An intermediate
- D. A coenzyme
5. Penicillin inhibits transpeptidase by:
- A. Reversible binding to an allosteric site
- B. Reversible binding to the active site
- C. Irreversible binding that chemically changes the active site
- D. Denaturing it with heat