Question

What happens in the light reaction of photosynthesis?

What happens in the dark reaction of photosynthesis?

What five factors affect photosynthesis and its rate? How?

Answer 1

1). Photosynthesis begins with light reactions. It is during these reactions that the energy from sunlight is absorbed by the pigment chlorophyll in the thylakoid membranes of the chloroplast.

2). The dark reactions of photosynthesis occur in the stroma of the chloroplast where they utilize the products of the light reaction. In the dark reaction, plants use carbon dioxide with ATP and NADPH from the light reactions to produce glucose.

3). The main factors affecting the rate of photosynthesis are light intensity, carbon dioxide concentration, and temperature.

Step-by-step explanation:

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