The complex II of mitochondrial electron transport chain is also known as:

Question

The complex II of mitochondrial electron transport chain is also known as:

1. A. Cytochrome bc1
2. B. Succinate dehydrogenase (Correct answer)
3. C. Cytochrome c oxidase
4. D. NADH dehydrogenase

Correct Answer

Option B — Succinate dehydrogenase

Detailed Solution & Explanation

The correct answer is Succinate dehydrogenase.

Key Points

• Complex II of the mitochondrial electron transport chain is succinate dehydrogenase.
• For reference: Complex I = NADH dehydrogenase, Complex III = cytochrome bc$_1$, Complex IV = cytochrome c oxidase.