Question

Krebs cycle takes place in the

• A. Vesicles of E.R.
• B. Mitochondrial matrix.
• C. Dictyosomes.
• D. Lysosomes.

Answer 1

The correct option is B Mitochondrial matrix.

Respiration is a catabolic energy release process. Respiration comprises of breakdown of glucose through glycolysis and Krebs cycle and energy production through oxidative phosphorylation. The glycolysis occurs in cytoplasm, Krebs cycle in mitochondrial matrix and oxidative phosphorylation occurs through the electron transport carriers embedded in inner mitochondrial membrane.