Question

where does the citric acid cycle occur? in the endoplasmic reticulum in the mitochondrial matrix in the cytoplasm in the nucleus

Explanation:

The citric - acid cycle, also known as the Krebs cycle, is a series of chemical reactions used by aerobic organisms to generate energy. It occurs in the mitochondrial matrix where the necessary enzymes and co - factors are located.

Answer:

in the mitochondrial matrix