Assertion (A): Enzymes lower down the activation energy of the reactant molecule to make its transition into product easier.
Reason (R): Enzymes are highly substrate specific catalysts.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.