Where Does the Citric Acid Cycle Take Place in the Cell

Question

Where does the citric acid cycle take place in the cell?
A) cytosol
B) mitochondria
C) nucleus
D) endoplasmic reticulum
E) lysosome

Accepted Answer

The citric acid cycle, also known as the Krebs cycle or tricarboxylic acid (TCA) cycle, takes place in the matrix of the mitochondria in eukaryotic cells. This is where the breakdown products of carbohydrates, fats, and proteins are oxidized to produce energy.