Question:

The electron transport system present in the mitochondrial membrane, complex-II and complex-IV are respectively:

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Complex II = Succinate; Complex IV = Cytochrome oxidase.
Updated On: Jun 6, 2026
  • NADH dehydrogenase, Cytochrome 'c' reductase
  • NADH dehydrogenase, Cytochrome 'c' oxidase
  • Succinic dehydrogenase, Cytochrome 'c' oxidase
  • Succinic dehydrogenase, Cytochrome 'c' reductase
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The Correct Option is C

Solution and Explanation

Step 1: Concept
Mitochondrial Electron Transport Chain (ETC).

Step 2: Meaning
Identification of the specific complexes in the mitochondrial inner membrane.

Step 3: Analysis
In the mitochondrial ETC, Complex II is Succinic dehydrogenase, and Complex IV is Cytochrome c oxidase.

Step 4: Conclusion
The correct identification is Complex II as Succinic dehydrogenase and Complex IV as Cytochrome c oxidase.

Final Answer: (C)
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