Question

what is light reaction and dark reaction ?explain in points?​

Answer 1

Answer:

The light reaction is the initial stage of photosynthesis which traps light energy to produce ATP and NADPH, whereas dark reaction is the second step of photosynthesis which utilizes the energy from ATP and NADPH to produce glucose.

Answer 2

Dark Reaction

Dark ReactionIt can take place in the presence or absence of sunlight.

Dark ReactionIt can take place in the presence or absence of sunlight.It is a biochemical phase.

Dark ReactionIt can take place in the presence or absence of sunlight.It is a biochemical phase.It takes place in the stroma of the chloroplast.

Dark ReactionIt can take place in the presence or absence of sunlight.It is a biochemical phase.It takes place in the stroma of the chloroplast.The hydrogen of NADPH combines with CO2.

Dark ReactionIt can take place in the presence or absence of sunlight.It is a biochemical phase.It takes place in the stroma of the chloroplast.The hydrogen of NADPH combines with CO2.Glucose is the end product. A and NADPH help in the formation.

Light reaction

It takes place only in the presence of light.

takes place only in the presence of light.It is a photochemical phase.

photochemical phase.It takes place in the grana of the chloroplast

photochemical phase.It takes place in the grana of the chloroplastNADP utilizes H+ ions to form NADPH.

photochemical phase.It takes place in the grana of the chloroplastNADP utilizes H+ ions to form NADPH.The end products are ATP and NADPH.

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