Why must plants have a constant source of carbon dioxide? A: It is utilized in the process of photosynthesis to make glucose
B: It is the final acceptor at the end of the Calvin cycle.
C: It acts as a coenzyme in the process of photosynthesis.
D: It is utilized in the synthesis of chlorophyll.

ecotourism pay for conservation efforts.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme