The citric acid cycle (Krebs cycle) takes place in:

A) The cytoplasm

B) The mitochondrial matrix

C) The endoplasmic reticulum

D) The nucleus

Explanation

The citric acid cycle occurs in the mitochondrial matrix. Pyruvate enters mitochondria, is converted to acetyl-CoA, which enters the cycle producing NADH, FADH2, GTP, and CO2.

Practice More Everyday Science Questions