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Complex II

In cytochrome...

Question

In cytochromes, electrons are picked up and released by

A

Fe

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B

Mo

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C

Cu

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D

Zn

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Solution

The correct option is A Fe
The electron transport chain uses various compounds to carry electrons. These compounds include cytochromes which are proteins with a heme prosthetic group that contains an iron atom. The iron atoms accepts and donates electrons. Thus, the correct answer is option A.

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