객관식
In glycolysis, what is the final product formed from one molecule of glucose under aerobic conditions?
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Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway
Glycolysis 4
객관식
In aerobic glycolysis (per molecule of glucose), what is the primary end product formed at the end of the pathway?
A
B
Pyruvate
C
Acetyl-CoA
D
Lactate
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검증된 단계별 안내1
Step 1: Understand the context of aerobic glycolysis. Glycolysis is the metabolic pathway that breaks down one molecule of glucose (a 6-carbon sugar) into two molecules of pyruvate (each with 3 carbons), producing ATP and NADH in the process.
Step 2: Recall that under aerobic conditions (presence of oxygen), pyruvate is not converted into lactate. Instead, pyruvate is transported into the mitochondria where it is converted into Acetyl-CoA, which then enters the citric acid cycle.
Step 3: Identify the primary end product of glycolysis itself, before any further mitochondrial processing. Glycolysis ends with the formation of pyruvate molecules, not Acetyl-CoA or lactate.
Step 4: Recognize that Acetyl-CoA is a product formed after glycolysis during aerobic respiration, but it is not the direct end product of glycolysis.
Step 5: Conclude that the primary end product formed at the end of the glycolytic pathway under aerobic conditions is pyruvate.
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