Question

How many molecules of Co2 are produced by an acetyl group of acetyl-Co-A in a citric acid cycle?

(a) 3

(b) 5

(c) 1

(d) 2

I got this question during an interview for a job.

I would like to ask this question from Respiration topic in section Bioenergetics and Metabolism of Life Sciences

Answer 1

Right answer is (d) 2

To explain I would say: The citric acid cycle is also known as Krebs cycle in which the condensation of oxaloacetate and an acetyl group of acetyl Co-A take place and produced two molecules of Co2.