Question

Name the inhibition where end products of biosynthesis pathway inhibit the activity of the first enzyme?

(a) Feedback inhibition

(b) Feedback repression

(c) Allosteric inhibition

(d) Competitive inhibition

The question was posed to me during an interview for a job.

Question is taken from Metabolism in section Bioenergetics and Metabolism of Life Sciences

Answer 1

Correct answer is (a) Feedback inhibition

Easy explanation: Feedback inhibition is also known as end-product inhibition, the unique feature in this is the inhibition of the first enzyme in a biosynthetic pathway by the end product which in turn control its production.