Photosynthesis - light dependant reaction


The light dependant reaction is the first stage of photosythesis where the majority of reactions involve molecules being oxidised and reduced (redox reactions)

Oxidation                                              Reduction
-Addition of oxygen                                 -Loss of oxygen
-loss of hydrogen                                     - Gain of hydrogen
-loss of electrons                                     - Gain of electrons

Synthesis of ATP  
A chlorophyll molecule absorbing light, excites  a pair of electrons to a higher enery level…


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