Medical Mcqs

An example of layses is_____________?

• (A)  Glutamine synthetase
• (B)  Fumarase
• (C)  Cholinesterase
• (D)  Amylase

Answer

Submitted By :Ali Uppal

Which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP ?

• (A)  Tyrosine kinase
• (B)  Polymerase
• (C)  ATP synthase
• (D)  Adenylate cyclase

Answer

Submitted By :Ali Uppal

The combination of main supporting enzyme is called______________?

• (A)  Apoenzyme
• (B)  Coenzyme
• (C)  Holoenzyme
• (D)  Constitutive enzyme

Answer

Submitted By :Ali Uppal

Lactate dehydrogenase is____________?

• (A)  Isozyme
• (B)  Coenzyme
• (C)  Antienzyme
• (D)  Zymogen

Answer

Submitted By :Ali Uppal

Which of the following is NOT a characteristic feature of allosteric enzymes ?

• (A)  They are multienzyme complex
• (B)  Follow Michaelis-Menton Kinetics
• (C)  Presence of Modulator site
• (D)  Give sigmoid shaped curve

Answer

Submitted By :Ali Uppal

Multiienzyme complex in human_______________?

• (A)  Fatty acid synthetase
• (B)  Malonyl CoA carboxylase
• (C)  Carbomoyl Phosphate synthetase
• (D)  Adenosine phospho ribosyl transferase

Answer

Submitted By :Ali Uppal

Key glycolytic enzymes_____________?

• (A)  Phosphofructokinase
• (B)  Hexokinase
• (C)  Pyruvate kinase
• (D)  Glucose 1,6 diphosphatase

Answer

Submitted By :Ali Uppal

Benzidine test is positive with the enzyme______________?

• (A)  Cytochrome oxidase
• (B)  Dehydrogenase
• (C)  Hydrolase
• (D)  Peroxidase

Answer

Submitted By :Ali Uppal

Dehydrogenase used as coenzymes all of the following, except________________?

• (A)  FMN
• (B)  FAD
• (C)  NADP+
• (D)  Ferro protoporphyrin

Answer

Submitted By :Ali Uppal

Which of the following is correct of the pyruvate dehydrogenase enzyme complex ?

• (A)  It is present in cytoplasm
• (B)  Catalyzes the conversion of pyruvate to oxaloacetate
• (C)  Requires TPP as cofactor
• (D)  Catalyzes a reversible reaction

Answer

Submitted By :Ali Uppal