Fill in the blanks and choose the correct option given below.

(i) The formation of carbonic acid by CO 2 and H 2 O without enzyme produces molecules of H 2 CO 3 per hour; and with enzyme called Produces molecules of H 2 CO 3 per second.

(ii) Low temperature preserves the enzymes in a temporarily state whereas high temperature destroys enzymatic activity because protein are by heat.

(iii) When the binding of the chemical shuts off enzyme activity, the process is called and the chemical is called an .

(iv) inhibitors are used in the control of bacterial pathogens.

(v) When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as inhibitor.

(vi) Enzymes are divided into classes each with 4-13 subclasses and named accordingly by a -digit number.

(vii) S reduced + S’ oxidized S + S ’

(viii) S-G + S’ +

(ix) X-C-C-Y +

(x) The protein portion of the enzymes is called and non-prpteinous constituent called .

(xi) Coenzyme NAD and NADP contain the vitamin .

(xii) is a cofactor for the proteolytic enzyme carboxypeptidase.