Question:
Glycolysis ends in formation of ________ .
Glycolysis ends in formation of ________ .
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Glycolysis splits glucose into two three carbon molecules.
Updated On: Nov 12, 2026
- pyruvic acid
- lactic acid
- acetaldehyde
- ethanol
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
Glycolysis (EMP pathway) occurs in the cytoplasm and splits one glucose into two three-carbon molecules.
Step 2: Last step
The last step, catalysed by pyruvate kinase, converts phosphoenolpyruvate to pyruvate and forms ATP.
Step 3: Compare
Lactic acid, acetaldehyde and ethanol form later from pyruvate only in fermentation.
Final Answer:
Glycolysis ends with pyruvic acid. \[ \boxed{\text{(A) }\text{pyruvic acid}} \]
Glycolysis (EMP pathway) occurs in the cytoplasm and splits one glucose into two three-carbon molecules.
Step 2: Last step
The last step, catalysed by pyruvate kinase, converts phosphoenolpyruvate to pyruvate and forms ATP.
Step 3: Compare
Lactic acid, acetaldehyde and ethanol form later from pyruvate only in fermentation.
Final Answer:
Glycolysis ends with pyruvic acid. \[ \boxed{\text{(A) }\text{pyruvic acid}} \]
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