[Campbell Biology P.222] In eukaryotic cells, where are most enzymes of the citric acid cycl... | Practice Question

In eukaryotic cells, where are most enzymes of the citric acid cycle located, and which specific enzyme is an exception, residing in a different cellular compartment?

• A: All enzymes are located in the inner mitochondrial membrane; none are exceptions.
• B: Most enzymes are in the mitochondrial matrix, with the enzyme for step 6 (succinate dehydrogenase) being an exception in the inner mitochondrial membrane.
• C: Most enzymes are in the cytoplasm, with the enzyme for step 3 (isocitrate dehydrogenase) being an exception in the mitochondrial matrix.
• D: All enzymes are located in the mitochondrial matrix; none are exceptions.