Why Is Photosynthesis a Coupled Reaction

question 74

Multiple Choice

Why is photosynthesis a coupled reaction?

• A) The exergonic reaction occurs in the plant, and the endergonic reaction occurs in the soil.
• B) Photosynthesis requires two reactants: carbon dioxide and water.
• C) Sunlight energy enters a plant and is ultimately lost as heat.
• D) The exergonic reaction occurs in the plant, and the endergonic reaction occurs in the sunlight.
• E) An exergonic reaction occurs in the sunlight, and an endergonic reaction occurs in the plant.

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