Multiple Choice
In the process of photosynthesis, which molecule is the final electron acceptor for electrons from Photosystem I?
3. Acids and Bases
Organic Chemistry Reactions
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the photosynthetic electron transport chain, what is the final electron acceptor?
A
Oxygen
B
Water
C
NADP+
D
Carbon dioxide
Verified step by step guidance1
Understand the context: The photosynthetic electron transport chain is a series of reactions that occur in the thylakoid membranes of chloroplasts during photosynthesis.
Identify the role of electron acceptors: In the electron transport chain, electrons are transferred through a series of proteins and molecules, ultimately being accepted by a final electron acceptor.
Recall the sequence of events: Electrons are excited by light energy and transferred from water molecules, which are split to release oxygen, through the electron transport chain.
Recognize the final electron acceptor: In the photosynthetic electron transport chain, the final electron acceptor is NADP+, which is reduced to form NADPH.
Connect to the overall process: NADPH, along with ATP produced in the light reactions, is used in the Calvin cycle to synthesize glucose from carbon dioxide and water.
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