Multiple Choice
Each of the following describes the pyruvate oxidation reaction except that _____________________.
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- 1. Introduction to Microbiology3h 26m
- Introduction to Microbiology17m
- Introduction to Taxonomy27m
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12. Microbial Metabolism
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 CoA and CO2.
C
Acetyl CoA, FADH2, and CO2.
D
Acetyl CoA, NADH, and CO2.
E
Acetyl CoA, NAD+, ATP, and CO2.
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Verified step by step guidance1
Understand that pyruvate oxidation is a crucial step in aerobic cellular respiration, occurring in the mitochondria after glycolysis.
Recognize that during pyruvate oxidation, each pyruvate molecule is converted into Acetyl CoA, which is essential for entering the Krebs Cycle.
Identify that the conversion of pyruvate to Acetyl CoA involves the release of carbon dioxide (CO2) as a byproduct.
Note that during this process, NAD+ is reduced to NADH, capturing high-energy electrons for use in the electron transport chain.
Conclude that the products of pyruvate oxidation are Acetyl CoA, NADH, and CO2, which are crucial for subsequent steps in cellular respiration.
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