Question:
The end product of Glycolysis metabolism in presence of Oxygen is
The end product of Glycolysis metabolism in presence of Oxygen is
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Glycolysis is the first stage of breaking down glucose for energy. The product it ends with depends on whether oxygen is available (aerobic) or not (anaerobic).
Updated On: Jun 24, 2026
- Lactic Acid
- Acetic Acid
- Pyruvic Acid
- Fatty Acid
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The Correct Option is C
Solution and Explanation
Concept:
Glycolysis is the first stage of breaking down glucose for energy. The product it ends with depends on whether oxygen is available (aerobic) or not (anaerobic).
Step 1:
Glycolysis itself splits one glucose molecule into two molecules of pyruvic acid (pyruvate). This is the actual end point of glycolysis.
Step 2:
When oxygen IS present, that pyruvate is not converted to lactic acid; instead it stays as pyruvate and moves on into the mitochondria to enter the Krebs cycle for full energy release.
Step 3:
Lactic acid (option 1) only forms when oxygen is absent, so it is the anaerobic answer and is the trap here. Acetic acid and fatty acid are not glycolysis products.
Answer: Option (3) — Pyruvic Acid.
Glycolysis is the first stage of breaking down glucose for energy. The product it ends with depends on whether oxygen is available (aerobic) or not (anaerobic).
Step 1:
Glycolysis itself splits one glucose molecule into two molecules of pyruvic acid (pyruvate). This is the actual end point of glycolysis.
Step 2:
When oxygen IS present, that pyruvate is not converted to lactic acid; instead it stays as pyruvate and moves on into the mitochondria to enter the Krebs cycle for full energy release.
Step 3:
Lactic acid (option 1) only forms when oxygen is absent, so it is the anaerobic answer and is the trap here. Acetic acid and fatty acid are not glycolysis products.
Answer: Option (3) — Pyruvic Acid.
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