The process of photosynthesis can be generally expressed by: carbon dioxide + water glucose + oxygen

The process of cellular respiration can be generally expressed by:

glucose + oxygen carbon dioxide + water

What can be said about these two reactions?
A.
The reactants of photosynthesis are the reactants of cellular respiration.
B.
The products of photosynthesis are the reactants of cellular respiration.
C.
The products of photosynthesis are the products of cellular respiration.
D.
The products of photosynthesis are not involved in cellular respiration.