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Photosynthesis Light reaction, Calvin cycle ..
Light reactions need light to produce organic energy molecules (ATP and NADPH). They are initiated by colored pigments, mainly green colored chlorophylls.
Light Cycle (Photosynthesis) Photosynthesis is the process in which chloroplasts absorb sunlight, and chlorophyll absorbs sunlight, with the help of water, then the thylakiod takes that sunlight and has 2 reactions.
Photosynthesis (Light Reaction) Photosystem II: Glycolysis ..
Dark reactions make use of these organic energy molecules (ATP and NADPH). This reaction cycle is also called Calvin Benison Cycle, and it occurs in the stroma. ATP provides the energy while NADPH provides the electrons required to fix the CO2 (carbon dioxide) into carbohydrates.
The light absorption processes associated with take place in large protein complexes known as photosystems. The one known as Photosystem II contains the same kind of as but in a different protein environment with an absorption peak at 680 nm. (It is designated P680). The binding protein for PSII is much smaller than that for PSI, about 47,000 compared to 110,000. It resonates from energy transmitted by about 250 chlorophyll a and b in equal numbers. Its core contains xanthophylls but no beta carotene (Moore).
Photosynthesis: Calvin Cycle : Free Download & …
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