Multiple Choice
Why is glycolysis considered an anaerobic process?
33. The Organic Chemistry of Metabolic Pathways
Glycolysis Summary
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How many net ATP molecules are produced during glycolysis?
A
8 ATP
B
6 ATP
C
4 ATP
D
2 ATP
Verified step by step guidance1
Understand that glycolysis is the process of breaking down one molecule of glucose into two molecules of pyruvate, which occurs in the cytoplasm of the cell.
Recognize that during glycolysis, a total of 4 ATP molecules are produced through substrate-level phosphorylation.
Note that 2 ATP molecules are consumed in the initial steps of glycolysis to phosphorylate glucose and convert it into fructose-1,6-bisphosphate.
Calculate the net ATP production by subtracting the ATP consumed from the ATP produced: 4 ATP produced - 2 ATP consumed.
Conclude that the net production of ATP molecules during glycolysis is 2 ATP.
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