(A)  loosely attached organic part

(B) loosely attached inorganic part

(C) accessory non-protein substance firmly

(D) none of these.

(A)  competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein

(B) competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme

(C) non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate

(D) non-competitive inhibitors often bind to the enzyme irreversibly

(A) holoenzymes

(B)  isoenzymes

(C) apoenzymes

(D) coenzymes.

(A)  caesinogen into caesin

(B) trypsinogen into trypsin

(C) pepsinogen into pepsin

(D) proteins into polypeptides.

(A)  cyanide and cytochrome reaction

(B) sulpha drugs and folic acid synthesizer bacteria

(C) allosteric inhibition of hexokinase by glucose 6-phosphate

(D) reaction between succinic dehydrogenase and succinic acid 

(A)  isoenzyme

 

(B) coenzyme

(C) holoenzyme

(D) apoenzyme.

(A)  polymerase

(B)

endonuclease

(C)  exonuclease

(D) kinase.

(A)  decrease activation energy

(B)  increase activation energy

(C)inorganic catalyst

(D) none of the above.

(A)  carbonic anhydrase

(B) tryptophanase

(C) lactic dehydrogenase

(D) tyrosinase.

(A)     nitrogenase

(B) nitroreductase

(C) transferase

(D) transaminase.