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How can you summarize the reactions that take place in photosynthesis detailed yet brief?
Wiki User
∙ 15y ago
photosynthesis is the fixation of carbon dioxide and it's subsequent reduction to carbohydrate using hydrogen from water.
two sets of reactions are involved, light-dependent and light-independent
light-dependent reactions:
these include synthesis of ATP in phosphorylation and the splitting of water by photolusis to give hydrogen ions. these ions combine with NADP (hydrogen carrier) to form reduced NADP. ATP and reduced NADP are passed from light-dependent to ligt-independent reactions. this process could be cyclic (involves photosystem I only) or non-cyclic which involves both photo systems.
light-independent reactions:
carbon dioxide fixation occurs when it combines with a 5 carbon sugar called ribulose bisphosphate (RuBP) two give 2 molecules og a 3 carbon compound, glycerate 3-phosphate. this compound then turns into triose phosphate sugar in the presence of ATP and reduced NADP.
these triose sugars are then used to form hexose sugars or are converted to acetylcoenzyme to be used in the synthesis of amino acids and lipids. some triose sugar is used to regenerate RuBP. the lght-independant process is called calvin's cycle.
Wiki User
∙ 15y ago
Wiki User
∙ 9y agoThe conversion of light energy into chemical energy stored in organic compounds
Wiki User
∙ 13y agoThe light dependent reaction happens when solar energy is captured to make a molecule called ATP (adenosine triphosphate)
Wiki User
∙ 11y agoThe conversion of CO2 and H2O into sugar using sunlight as the energy source.
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