객관식
Which one of the following substances is a part of both phases A and C of the citric acid cycle?
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33. The Organic Chemistry of Metabolic Pathways
Intro to Citric Acid Cycle
객관식
Which electron carrier(s) function in the citric acid cycle?
A
Coenzyme Q and cytochrome c
B
and
C
and
D
and
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검증된 단계별 안내1
Understand the role of electron carriers in the citric acid cycle: The citric acid cycle, also known as the Krebs cycle, is a series of chemical reactions used by all aerobic organisms to release stored energy. Electron carriers play a crucial role in transferring electrons during these reactions.
Identify the main electron carriers involved in the citric acid cycle: The primary electron carriers that function in the citric acid cycle are NAD+ and FAD. These molecules accept electrons during the cycle and are reduced to NADH and FADH2, respectively.
Differentiate between the electron carriers: NAD+ is reduced to NADH, and FAD is reduced to FADH2 during the citric acid cycle. These reduced forms carry electrons to the electron transport chain, where they are used to produce ATP.
Eliminate incorrect options: Coenzyme Q and cytochrome c are part of the electron transport chain, not the citric acid cycle. NADPH and ATP are involved in other metabolic processes, not directly in the citric acid cycle.
Conclude with the correct electron carriers: Based on the understanding of the citric acid cycle, the correct electron carriers that function in this cycle are NADH and FADH2.
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