Question

The reactions of Kreb's/citric acid cycle take place

• A. In the cytoplasm
• B. In ER
• C. In matrix of mitochondria
• D. On the surface of mitochondria.

Answer 1

The correct option is C In matrix of mitochondria

Krebs cycle is an important reaction during the aerobic respiration because here generation of ATP and energy takes place. This cycle takes place in the matrix of mitochondria because an important enzymes succinate dehydrogenase which is important during the Krebs cycle is present only in the matrix of the mitochondria.

So, the correct option is 'In the matrix of Mitochondria'