The chemical forces that bind most coenzymes and substrates to enzymes such as LDH are 

(A) Hydrogen bonds 

(B) Peptide bonds 

(C) Coordinate bonds 

(D) Covalent bonds

Proenzymes: 

(A) Chymotrysinogen 

(B) Pepsinogen 

(C) Both (A) and (B) 

(D) None of these

Inactive precursors of enzymes are known as 

(A) Apoenzymes 

(B) Coenzymes 

(C) Proenzymes 

(D) Holoenzymes

An important finding in Tay-sach’s disease is 

(A) Renal failure 

(B) Accumulation of gangliosides in brain and spleen 

(C) Cardiac failure 

(D) Anemia

Example of an extracellular enzyme is 

(A) Lactate dehydrogenase 

(B) Cytochrome oxidase 

(C) Pancreatic lipase 

(D) Hexokinase

Daily urinary urobilinogen excretion in adult men is 

(A) 0–4 mg 

(B) 5–8 mg 

(C) 9–12 mg 

(D) 13–20 mg 

The highest energy level is present amongst the following in 

(A) 1, 3-Biphosphoglycerate 

(B) Creatine phosphate 

(C) Carbamoyl phosphate 

(D) Phosphoenol pyruvate

Different isoenzymes of an enzyme have the same 

(A) Amino acid sequence 

(B) Michaelis constant 

(C) Catalytic activity 

(D) All of these

A high-energy phosphate among the following is 

(A) Glucose-6-phosphate 

(B) Glucose-1-phosphate 

(C) 1, 3-Biphoglycerate 

(D) All of these 

From the pentapeptide, phe-ala-leu-lysarg, phenylalanine residue is split off by 

(A) Trypsin 

(B) Chymotrypsin 

(C) Aminopeptidase 

(D) Carboxypeptidase