Almost all enzymes are proteins. The enzymes have

All enzymes are proteins except

All enzymes have

Read of the following statements and choose the option which has all the correct statements :- (a) Enzymes are highly specific to substrate (b) Enzymes require optimum temperature and pH for maximum activity. (c) Almost all enzymes are protein (d) Enzyme increase the activation energy Options :-

Simple protein enzymes are

(A) All enzymes are proteins but all proteins are not enzymes. (R) Keratin is an enzyme.

Assertion : All enzymes are proteins but all proteins are not enzymes. Reason : Keratin is an enzyme.

Assertion : All enzymes are proteins . Reason : Ribozymes are enzymes without proteins .