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How are photosynthesis and cellular respiration connected?
The products of are the reactants of cellular respiration, and the products of cellular respiration are the reactants of photosynthesis.
The chemical equation of photosynthesis is:
##6H_2O+6CO_2+Light->C_6H_12O_6+6O_2##
And the equation for cellular respiration is:
##C_6H_12O_6+6O_2->6CO_2+6H_2O+ATP##
In photosynthesis, oxygen is a byproduct from water, and that oxygen then goes into cellular respiration. The glucose made from photosynthesis is then used to make ATP in cellular respiration.
In cellular respiration, water is a byproduct, and that is used for photosynthesis. The carbon dioxide that is made in cellular respiration, is used to make glucose in photosynthesis.