The question format is incorrect. The correct question is as follows:
Enzymes work by _____.
a) adding energy to a reaction
b) decreasing the potential energy difference between reactant and product
c) reducing EA
d) adding a phosphate group to a reactant
e) increasing the potential energy difference between reactant and product
Answer:
Reducing EA .
Explanation:
Enzymes are the bio catalyst that are used in the biochemical reaction of the living organisms. The enzymes are used to increase the rate of the biochemical reaction.
The activation energy may be defined as the energy required for the conversion of substrate into the product. The enzymes reduce the activation energy of the reaction as it increases the effective collision between the substrate molecules. The enzymes never changes the equilibrium of the reaction.
Thus, the correct answer is option (c).