Enzymes - Mock Test 4

Question 31

Cofactor of the enzyme glycogen phosphorylase is

A) Tetrahydrofolate B) Zn²⁺ C) Pyridoxal phosphate D) Se

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Question 32

Cofactor of the enzyme lactate dehydrogenase is

A) K⁺ B) Coenzyme A C) Mo D) Nicotinamide adenine dinucleotide

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Question 33

Cofactor of the enzyme monoamine oxidase is

A) Flavin adenine nucleotide B) Mn²⁺ C) Tetrahydrofolate D) Se

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Question 34

Cofactor of the enzyme pyruvate dehydrogenase is

A) Biotin B) Mn²⁺ C) Thiamine pyrophosphate D) Se

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Question 35

Coenzymes that bind tightly to an enzyme are known as

A) Active sites B) Complementarity determining regions C) Prosthetic groups D) Epitopes

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Question 36

Small organic molecules which function as cofactors are known as

A) Zymogens B) Active sites C) Reactants D) Coenzymes

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Question 37

Coenzymes are

A) Metals B) Vitamins C) Small organic molecules D) Zymogens

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Question 38

Cofactors are largely

A) Small organic molecules and metals B) Large organic molecules C) Enzymes D) Glycoproteins

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Question 39

Which of the following is right

A) Cofactor = apoenzyme + holoenzyme B) Apoenzyme = holoenzyme + cofactor C) Zymogen = holoenzyme + substrate D) Holoenzyme = apoenzyme + cofactor

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Question 40

An enzyme which is functionally active is known as

A) Holoenzyme B) Zymogen C) Apoenzyme D) Co-enzyme

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