What is the correct sequence for movement of electrons during the light-dependent reaction?

Correct answer: D. Water, P680, P700, NADP

  • A. P680, P700, water, NADP
  • B. Water, P700, NADP, P680
  • C. P700, P680, NADP, water
  • D. Water, P680, P700, NADP

Explanation

In photosynthesis, a light-dependent reaction uses light energy from the sun to split water which has been taken in by the organism. Water, when split, gives oxygen, hydrogen, and electrons. These electrons move through structures in chloroplasts and, by chemiosmosis, make ATP.It is non-cyclic phosphorylation that involves the photolysis of water, releasing electrons that pass through Photosystem II (680), to Photosystem I (700) and are ultimately transferred to NADP forming NADPH.

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