Photosynthesis in Higher Plants
Light reaction, Electron transport
- Otherwise called as photochemical (or) Hill reaction which is purely dependent on light.
- The reaction happens inside quantasome to convert the obtained light energy into chemical energy such as ATP and NADPH by a process called photophosphorylation – (i) Cyclic and (ii) Non-cyclic.
- The photochemical reaction involves the production of ATP and NADPH by photolysis of water (The phenomenon of breaking H2O into ‘H’ and ‘O2’).
- The electrons picked up by the photosystem follow either type of photophosphorylation to produce the assimilatory powers (ATP and NADPH).
- The electrons are carried away by the electron carries which are specific in cyclic and non-cyclic type to form energy-rich molecules.
Part-1: View this video for the topic from 0:33 to 33:42
Part-2: View this video for the topic from 0:34 to 11:10
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