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The answer is serotonin.
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<span>C6H12O6 + 6O2 ==> 6CO2 + 6H2O
</span><span> This chemical reactions proves the fact that the products of photosynthesis are reactants of respiration
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The first step of cellular respiration takes place in cytoplasm of the cell called glycolysis. Cellular respiration is an aerobic process that requires oxygen and gives off carbon dioxide and it usually involves the complete breakdown of a glucose molecule with the use of oxygen molecule and then produces a net gain of 2 ATP's.
