Chapter 173 of 2363 min read
Krebs cycle and electron transport chain
Why this is asked: FADH2 hands its electrons to the transport chain at Complex II, skipping Complex I entirely — which is exactly why it yields fewer ATP than NADH (2 versus 3, in the standard accounting) even though both are reduced coenzymes generated by the same turn of the cycle.
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- •Complex II of the mitochondrial electron transport chain is also known as:
- •Identify the step in the tricarboxylic acid cycle which does not involve oxidation of the substrate:
- •Match List I with List II.
Choose the correct answer from the options given below:List I List II A. Citric acid cycle I. Cytoplasm B. Glycolysis II. Mitochondrial matrix C. Electron transport system III. Intermembrane space of mitochondria D. Proton gradient IV. Inner mitochondrial membrane
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