NADPH is generated in the light-dependent reactions as a powerful reducing agent. In the Calvin cycle, it is responsible for the reduction of 1,3-bisphosphoglycerate (1,3-BPG) into glyceraldehyde-3-phosphate. Reduction in this context can be defined as the addition of electrons. If you are familiar with organic chemistry, it is very hard to reduce a carboxylic acid (glycerate is a carboxylic acid) directly to an aldehyde (glyceraldehyde is an aldehyde) directly. Even if we go through the primary alcohol intermediate, it still involves very nasty reagents such as LiAlH4 (lithium aluminum hydride) and Collins reagent (chromium (VI) oxide with pyridine) which are extremely damaging and toxic to living organisms. Plants, however, overcomes this difficulty with clever use of activation by phosphorylation (with ATP) and then an NADPH reduction catalyzed by G3P dehydrogenase.
In the light reaction, chemical energy is kept in NADPH (Nicotinamide Adenine Dinucleotide Phosphate) and in Adenosine Triphosphate (ATP). Then, the energy will travel to be use for the Calvin Cycle.
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ATP and NADPH are the products utilized in the Calvin Cycle.
There are two products. Those are NADPH and ATP.
Yes, they carry energy between the light reactions and the Calvin cycle. ADP is phosphorylated into ATP at the ATP synthase while NADP is reduced by the electrons in the transport chain (it then becomes NADPH).
ATP (adenine tri-phosphate)
NADPH and ATP
ATP and NADPH are the products utilized in the Calvin Cycle.
NADPH adds electrons to the Calvin-Benson cycle.
The Calvin cycle is fueled by ATP and NADPH produced in the light reactions.
There are two products. Those are NADPH and ATP.
ATP, NADPH, and CO2
Yes, they carry energy between the light reactions and the Calvin cycle. ADP is phosphorylated into ATP at the ATP synthase while NADP is reduced by the electrons in the transport chain (it then becomes NADPH).
The Reactants for the Light-Independent Cycle(Calvin Cycle) are ATP, CO2, and NADPH
The Calvin cycle uses carbon from carbon dioxide (CO2) to form carbohydrates.
Light reactions provide ATP and NADPH to the Calvin Cycle, and the cycle returns ADP, Pi, and NADP+ to the light reactions.ATP and NADPH are produced by the light reactions of photosynthesis and consumed by the Calvin cycle.
ATP and NADPH
atp and nadph
Light reactions produce NADPH and ATP, which are used during the Calvin cycle.