객관식
Each of the following describes the pyruvate oxidation reaction except that _____________________.
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24. Metabolism and Nutrition
Cellular Respiration: Pyruvate Oxidation
Multiple Choice
In aerobic cellular respiration, pyruvate molecules must be transformed through a process called pyruvate oxidation before they can be broken down in the Krebs Cycle. What are the products of pyruvate oxidation?
A
Acetyl CoA, O2, and ATP.
B
Acetyl and CO2.
C
Acetyl CoA, FADH2, and CO2.
D
Acetyl CoA, NADH, and CO2.
E
Acetyl CoA, NAD+, ATP, and CO2.
검증된 단계별 안내1
Understand the context: Pyruvate oxidation is a crucial step in aerobic cellular respiration, occurring in the mitochondria after glycolysis and before the Krebs Cycle.
Identify the main reactant: Pyruvate, which is produced from glucose during glycolysis, is the starting molecule for pyruvate oxidation.
Recognize the transformation: Pyruvate is converted into Acetyl CoA, which is necessary for entering the Krebs Cycle.
Identify the by-products: During pyruvate oxidation, NAD+ is reduced to NADH, and CO2 is released as a waste product.
Summarize the products: The complete products of pyruvate oxidation are Acetyl CoA, NADH, and CO2, which are essential for further energy production in the Krebs Cycle.
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