Your answer Would be Glucose Because it is a reactant in the process of cellular respiration when Glucose+oxygen= carbon dioxide and water to make ATP
Hope this has helped :)
<span> i think it is heterotrophic</span>
<u><em>The Plains And Deserts Are the warmest land biomes </em></u>
MJ Schleiden, Theodor Schwann and Rudolf Virchow are credited for the events described in the development of the cell theory.