TCA Cycle - Medical Science

Q1:

Most of the enzymes of the citric acid cycle in a eukaryotic cell are located in the

A inner mitochondrial membrane

B cytosol

C mitochondrial matrix

D intermembrane space

ANS:C - mitochondrial matrix

TCA enzymes are located in the mitochondrial matrix, except Succinate dehydrogenase which is anchored onto the inner mitochondrial membrane, where it acts as complex II in ETC.