Which product of glycolysis is transported across the mitochondrial membrane, where it is converted to the molecule that enters the citric acid cycle? Pyruvate Glucose NADH + H+ ATP synthase Acetyl CoA

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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**Question:**

Which product of glycolysis is transported across the mitochondrial membrane, where it is converted to the molecule that enters the citric acid cycle?

1. ☐ Pyruvate
2. ☐ Glucose
3. ☐ NADH + H⁺
4. ☐ ATP synthase
5. ☐ Acetyl CoA

**Explanation:**

In glycolysis, glucose is broken down into two molecules of pyruvate. Pyruvate is then transported across the mitochondrial membrane, where it is converted into Acetyl CoA, which enters the citric acid cycle (Krebs cycle).
Transcribed Image Text:**Question:** Which product of glycolysis is transported across the mitochondrial membrane, where it is converted to the molecule that enters the citric acid cycle? 1. ☐ Pyruvate 2. ☐ Glucose 3. ☐ NADH + H⁺ 4. ☐ ATP synthase 5. ☐ Acetyl CoA **Explanation:** In glycolysis, glucose is broken down into two molecules of pyruvate. Pyruvate is then transported across the mitochondrial membrane, where it is converted into Acetyl CoA, which enters the citric acid cycle (Krebs cycle).
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