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Multiple Choice
In the process of photosynthesis, which molecule is the final electron acceptor for electrons from Photosystem I?
A
ATP
B
Oxygen
C
NADP+
D
Water
Verified step by step guidance
1
Understand the role of Photosystem I in photosynthesis: Photosystem I is part of the light-dependent reactions where it absorbs light energy to drive the transfer of electrons.
Identify the electron transport chain: Electrons are transferred through a series of proteins embedded in the thylakoid membrane.
Recognize the role of NADP+: NADP+ (Nicotinamide adenine dinucleotide phosphate) acts as an electron carrier and is reduced to NADPH by accepting electrons.
Determine the final electron acceptor: In the light-dependent reactions, the final electron acceptor for electrons from Photosystem I is NADP+, which is reduced to form NADPH.
Connect the process to the Calvin cycle: The NADPH produced is then used in the Calvin cycle to help convert carbon dioxide into glucose.