Question:
Identify the INCORRECT statement regarding glycolysis. There is _________.
Identify the INCORRECT statement regarding glycolysis. There is _________.
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Glycolysis does not release carbon dioxide; decarboxylation occurs later.
Updated On: Nov 12, 2026
- production of ATP
- expenditure of ATP
- formation of Pyruvic acid
- formation of \(\text{CO}_{2}\)
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Glycolysis breaks one glucose molecule into two molecules of pyruvic acid in the cytoplasm.
Step 2: Check each statement
Two ATP are used in early steps and four ATP are made by substrate-level phosphorylation, so ATP is both spent and produced (net gain of 2).
Pyruvic acid is the end product.
Step 3: Carbon dioxide
No \(\text{CO}_{2}\) is formed in glycolysis.
The first decarboxylation occurs when pyruvate changes to acetyl CoA, and more \(\text{CO}_{2}\) comes from the Krebs cycle.
Final Answer:
The incorrect statement is the formation of carbon dioxide, option (D). \[ \boxed{\text{(D) }\text{formation of CO}_{2}} \]
Glycolysis breaks one glucose molecule into two molecules of pyruvic acid in the cytoplasm.
Step 2: Check each statement
Two ATP are used in early steps and four ATP are made by substrate-level phosphorylation, so ATP is both spent and produced (net gain of 2).
Pyruvic acid is the end product.
Step 3: Carbon dioxide
No \(\text{CO}_{2}\) is formed in glycolysis.
The first decarboxylation occurs when pyruvate changes to acetyl CoA, and more \(\text{CO}_{2}\) comes from the Krebs cycle.
Final Answer:
The incorrect statement is the formation of carbon dioxide, option (D). \[ \boxed{\text{(D) }\text{formation of CO}_{2}} \]
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