When Electrons Flow Along the Electron Transport Chains of Mitochondria

question 76

Multiple Choice

When electrons flow along the electron transport chains of mitochondria, which of the following changes occurs?

• A) The pH of the matrix increases.
• B) ATP synthase pumps protons by active transport.
• C) The electrons gain free energy.
• D) The cytochromes phosphorylate ADP to form ATP.
• E) NAD⁺ is oxidized.

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Definitions:

Fluid Intelligence

Independent from known knowledge, the skill to apply logical thinking and resolve unfamiliar issues.

Crystallized Intelligence

The ability to use skills, knowledge, and experience, which tends to increase with age.

Interpersonal Intelligence

The ability to understand and interact effectively with others, often considered a key component of emotional intelligence.

Arteriosclerosis

A general term for the thickening and hardening of arteries, which can restrict blood flow and lead to various cardiovascular diseases.