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Multiple Choice
In the context of photosynthesis, which molecule transfers electrons generated during the light reactions to CO2 during the Calvin cycle?
A
NADPH
B
FADH2
C
ATP
D
NADH
Verified step by step guidance
1
Understand the role of electron carriers in photosynthesis. During the light reactions, energy from sunlight is used to generate high-energy electrons.
Identify the molecules involved in electron transfer. In photosynthesis, NADPH is the primary electron carrier that transfers electrons from the light reactions to the Calvin cycle.
Differentiate between NADPH and other similar molecules. NADPH is specifically used in photosynthesis, whereas NADH and FADH2 are more commonly involved in cellular respiration.
Recognize the function of NADPH in the Calvin cycle. NADPH provides the reducing power needed to convert CO2 into glucose during the Calvin cycle.
Conclude that NADPH is the molecule responsible for transferring electrons generated during the light reactions to CO2 during the Calvin cycle.