6-Ch. 1 The image below represents the first four major complexes within the ele

Question

6-Ch. 1 The image below represents the first four major complexes within the electron transport system. NADH is oxidized at complex I and the flow of electrons proceeds "down" the chain, ending up at the matrix side of complex IV. Which of the following statements regarding the chain of complexes is false? NAD NADH Complex I oxidizes NADH OComplex IV has a higher electron affinity than oomplex II O Complex Il would have the highest electron affity of the complexes Q is a mobile electron carrier that reduces complex Complex I has a higher reducing potential than complex I 111| 111^

Explanation / Answer

Answer:

Complex I has a higher reducing potential than complex II

Explanation:

The electron transport is sequential along these complexes, thus, each complex in the sequence has a slightly higher reduction potential than the preceding complex (thus they can be reduced by electrons in the preceding complex and subsequently reduce the next complex in the chain.

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