Choose the Correct Path Taken by a Pair of Electrons

question 18

Multiple Choice

Choose the correct path taken by a pair of electrons as they travel down the electron-transport chain.

• A) NADH → Complex I → CoQ → Complex III → Cytochrome c → Complex IV → O₂
• B) FADH₂ → Complex I → CoQ → Complex III → Cytochrome c → Complex IV → O₂
• C) NADH → Complex I → Complex II→ Complex III → Cytochrome c → Complex IV → O₂
• D) FADH₂ → Complex II → CoQ → Complex III → Cytochrome c → Complex IV → O₂
• E) A and D

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Definitions:

Painful Erection

A medical condition known as priapism, characterized by persistent and often painful erections not related to sexual arousal.

Premature Ejaculation

A sexual dysfunction where ejaculation happens sooner during sexual activity than a person or their partner would like.

Interpersonal Distress

Emotional strain or stress experienced in the context of interpersonal relationships.

Vaginal Penetration

The act of inserting a penis, finger, sex toy, or other objects into the vagina during sexual activity.