DENDROLOGY

TREE PHYSIOLOGY

PHOTOSYNTHESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What molecule adds phosphates to the intermediates in the Calvin cycle?
A
NADPH
B
NADP+
C
ATP
D
ADP
Explanation: 

Detailed explanation-1: -Figure 1 The light-dependent reactions harness energy from the sun to produce ATP and NADPH. These energy-carrying molecules travel into the stroma where the Calvin cycle reactions take place.

Detailed explanation-2: -The intermediates of the Calvin Cycle include ADP, NADP+, inorganic phosphate, and 3-phosphoglycerate.

Detailed explanation-3: -Overview of the Calvin cycle This process is fueled by, and dependent on, ATP and NADPH from the light reactions.

Detailed explanation-4: -Six molecules of both ATP and NADPH are used. For ATP, energy is released with the loss of the terminal phosphate atom, converting it to ADP; for NADPH, both energy and a hydrogen atom are lost, converting it into NADP+.

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