Asked in Premeth Test 3 — The Cell, Evolution and Enzymes (5 March 2025) 2025Moderate

The structure of an enzyme is altered by which of the following inhibitors?

Correct answer: D. Irreversible inhibitor

  • A. Reversible inhibitor
  • B. Competitive inhibitor
  • C. Non-competitive inhibitor
  • D. Irreversible inhibitor

Explanation

The reversible non-competitive inhibitors inactivate the enzyme temporarily while irreversible non-competitive inhibitors denature the enzyme permanently.

Last updated

About Enzyme Inhibitors

Enzyme inhibitors reduce reaction rate by interfering with enzyme-substrate interaction or catalytic activity. Coverage includes reversible competitive, non-competitive and uncompetitive inhibition, the effects of inhibitor concentration on reaction rate, and why competitive inhibition can be reduced by increasing substrate concentration.

Practise Enzymes

633 free Enzymes MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Biology questions like this

Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions