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Multiple Choice
Which of the following is not a good biological oxidizing agent?
A
NADH
B
NAD+
C
O2
D
FAD
Verified step by step guidance
1
Understand the concept of biological oxidizing agents: These are molecules that accept electrons during biochemical reactions, facilitating oxidation processes.
Identify the role of each molecule listed: NAD+, O2, and FAD are known to act as oxidizing agents in biological systems, accepting electrons during metabolic reactions.
Consider the role of NADH: NADH is the reduced form of NAD+ and typically acts as a reducing agent, donating electrons rather than accepting them.
Compare the electron transfer capabilities: NAD+, O2, and FAD are involved in electron transport chains and other oxidation reactions, whereas NADH is involved in reduction reactions.
Conclude which molecule does not fit the role of an oxidizing agent: Based on the roles and electron transfer capabilities, determine that NADH is not a good biological oxidizing agent.