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Which of the following is carrying energized electrons produced by the light reactions?Group of answer choicesNADHNAD⁺NADP⁺G3PNADPHchlorophyll bchlorophyll a

Question

Which of the following is carrying energized electrons produced by the light reactions?

  • NADH
  • NAD⁺
  • NADP⁺
  • G3P
  • NADPH
  • chlorophyll b
  • chlorophyll a
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Solution

The molecule that carries energized electrons produced by the light reactions in photosynthesis is NADPH.

Here's a step-by-step explanation:

  1. In the light-dependent reactions of photosynthesis, light energy is converted into chemical energy.
  2. This energy is used to produce ATP and to reduce NADP⁺ to NADPH.
  3. NADPH is a carrier molecule, which means it accepts and holds 2 high-energy electrons along with a hydrogen ion (H⁺). This allows it to carry the energized electrons that are produced in the light reactions.
  4. These high-energy electrons carried by NADPH are then used in the light-independent reactions (Calvin cycle) to produce glucose from carbon dioxide.

So, the answer is NADPH.

This problem has been solved

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