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Lab: Diffusion Across a Semi-permeable Membrane

Question 3 • HVA 26-27 IM Biology A

In light-dependent reactions, light energy is absorbed and converted into chemical energy in the form of .

Answer
A
ATP and NADPH
B
glucose and ATP
C
ADP and ATP

Explanation

During the light-dependent reactions, chlorophyll absorbs light energy. The energy is used to make ATP and to convert NADP+ into NADPH, storing energy in these molecules for later steps of photosynthesis. Glucose is made in the Calvin cycle, not directly in the light-dependent reactions, so the correct choice is ATP and NADPH.

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