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Pick the BEST TRUE statement about the Ilght reactions in photosynthes OP The light reactions take place in the cytoplasm bTh
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ANSWER: (b) The light reaction use high energy electrons to create a pH gradient.

The Light reactions are those occurring in the first stage of photosynthesis where light is used to carry out the different form of reactions produces ATP and NADPH. This reaction occurs in the thylakoid membrane containing Photosystem II (PSII), Cytochrome b6f complex, Photosystem I (PSI), and ATP synthase- major protein complexes to carry out the whole reaction.

when a photon is absorbed by the chlorophyll a (residing inside the PS II), an electron gets shifted to a higher energy level and this excited electron is transferred through the above-mentioned complexes forming a chain, ETC(Electron Transport Chain).

Throughout the reaction progress, H+ is either released or taken up generating a proton gradient.

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