Retype the sentence in the space below. Use ALL CAPS to identify the appositive or appositive phrase. Punctuate accordingly. Write the noun to which the appositive refers below your sentence.

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

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

cell division is not regulated in tumor cells.