From What Electron Donor May the Second Electron That Enters

question 20

Multiple Choice

From what electron donor may the second electron that enters the microsomal cytochrome P450 cycle come?

• A) An iron-sulfur protein
• B) Cytochrome b5
• C) Cytochrome b5 reductase
• D) Cytochrome c
• E) NADH

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Definitions:

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A characteristic of a good whereby it is difficult or impossible to prevent people who have not paid for it from consuming or using it.

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Rival

A term used in economics to describe a good or service that cannot be consumed by more than one person at the same time, meaning consumption by one person diminishes the ability of another to consume it.