Biology, asked by TAQUI2935, 1 year ago

Why atp and Nadph are required for photosynthesis

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Answered by rajnandb383
2
The quick answer is that an electron is stripped from water and transferred to NADP+ to form  which is an endergonic (requires energy imput) reaction.That energy is supplied by the sunlight absorbed in the chloroplasts. And in the process, a phosphorus is added to ADP to produce .





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Answered by nitishray57
0
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The overall function of light-dependent reactions, the first stage of photosynthesis, is to convert solar energy into chemical energy in the form of NADPH and ATP, which are used in light-independent reactions and fuel the assembly of sugar molecules. Protein complexes and pigment molecules work together to produce NADPH and ATP.

Producing Chemical Energy

Light energy is converted into chemical energy in a multiprotein complex called a photosystem. Two types of photosystems, photosystem I (PSI) and photosystem II (PSII), are found in the thylakoid membrane inside the chloroplast. Each photosystem consists of multiple antenna proteins that contain a mixture of 300–400 chlorophyll aand b molecules, as well as other pigments like carotenoids. Cytochrome b6f complex and ATP synthase are also major protein complexes in the thylakoid membrane that work with the photosystems to create ATP and NADPH.

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