This graph depicts an event that occurs in biological organisms? Which biomolecule is responsible for allowing this event to take place and what is its primary function?

A, enzyme: speeds up the rate of the reaction The enzyme is not used up in the reaction.
b. nucleic acid: slows down the rate of the reaction The nucleic acid is not used up in the reaction.
C, carbohydrates: speeds up the rate of the reaction The carbohydrate is not used up in the reaction.
D, glucose: slows down the rate of the reaction The glucose is used up in the reaction