Which is a role of photosystem I in the light reactions? A. To break down glucose molecules for more energy
B. To make energy-carrier molecules like ATP
C. To make energy-carrier molecules like NADPH
D. To supply energy for splitting the water molecules

C. To make energy-carrier molecules like NADPH

Explanation:

In the light reaction of photosynthesis, Photosystem I is the second photosystem which is known as plastocyanin-ferredoxin oxidoreductase or PSI takes place in green plants or other photosynthetic organisms.

It is a protein complex that utilizes the trapped light energy by chlorophyll to produce high energy carriers such as NADPH. NADPH synthesis is a primary role of the PSI.

Thus, C. To make energy-carrier molecules like NADPH

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