MDCAT
Biology
2024
Biology · Enzymes
Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive drills and topic analytics.
Question
Which one of the following is not an enzyme?
Options
- A
Pepsin
- B
Insulin
- C
Sucrase
- D
Catalase
Explanation
Insulin is a hormone, not an enzyme, and regulates blood sugar levels.
Pepsin is a digestive enzyme that breaks down proteins.
Insulin is a hormone, not an enzyme, and regulates blood sugar levels.
Sucrase is an enzyme that breaks down sucrose.
Catalase is an enzyme that breaks down hydrogen peroxide.
Tagged under Biology · Enzymes · 2024