Inside an Active Mitochondrion, Most Electrons Follow Which Pathway

question 21

Multiple Choice

Inside an active mitochondrion, most electrons follow which pathway?

• A) glycolysis → NADH → oxidative phosphorylation → ATP → oxygen
• B) citric acid cycle → FADH₂ → electron transport chain → ATP
• C) electron transport chain → citric acid cycle → ATP → oxygen
• D) pyruvate → citric acid cycle → ATP → NADH → oxygen
• E) citric acid cycle → NADH → electron transport chain → oxygen

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The quality of a sound that distinguishes it from other sounds of the same pitch and volume.

Pure Tones

Sounds with a sinusoidal waveform, meaning they have a steady, uninterrupted oscillation and a single frequency.

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Audio signals that contain a mixture of frequencies, often perceived as more textured or rich than simple tones.

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