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Multiple Choice
In the context of organic chemistry reactions, which molecule is responsible for transporting electrons from the light reactions to the Calvin cycle?
A
ATP
B
NADPH
C
FADH2
D
NADH
Verified step by step guidance
1
Understand the context: The question is about the molecules involved in photosynthesis, specifically the electron transport from light reactions to the Calvin cycle.
Identify the key processes: Light reactions occur in the thylakoid membranes of chloroplasts where light energy is converted into chemical energy, producing ATP and NADPH.
Recognize the role of NADPH: NADPH is a crucial electron carrier that is produced during the light reactions. It carries high-energy electrons to the Calvin cycle.
Differentiate between the molecules: ATP provides energy, but does not directly transport electrons. FADH2 and NADH are involved in cellular respiration, not photosynthesis.
Conclude the electron transport role: NADPH is the molecule responsible for transporting electrons from the light reactions to the Calvin cycle, facilitating the synthesis of glucose.