Question

In which of the following parts of mitochondria succinic dehydrogenase enzyme is located?

• A. Perimitochondrial space
• B. Outer membrane
• C. Matrix
• D. Inner membrane

Answer 1

The correct option is D Inner membrane

SDH or Succinate dehydrogenase or respiratory complex 2 is an enzyme complex found in many bacterial cells and in the inner mitochondrial membrane of the eukaryotic cells. It is the only enzyme which participates in both the citric acid cycle and the electron transport chain.

So, the correct answer is " inner membrane ".