Enzymes - Mock Test 33

Question 321

An allosteric enzyme is generally inhibited by?

A) Initial substrate of the pathway B) Substrate analogues C) Product of the reaction catalysed by allosteric enzyme D) Product of the pathway

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Question 322

Allosteric inhibition is also known as?

A) Competitive inhibition B) Non-competitive inhibition C) Feedback inhibition D) None of these

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Question 323

The induced fit model of enzyme action was proposed by?

A) Fischer B) Koshland C) Mitchell D) Markert

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Question 324

Enzymes which catalyse binding of two substrates by covalent bonds are known as?

A) Lyases B) Hydrolases C) Ligases D) Oxidoreductases

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Question 325

Which of the following is a proteolytic enzyme?

A) Pepsin B) Trypsin C) Chymotrypsin D) All of these

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Question 326

The enzyme hexokinase is a?

A) Hydrolase B) Oxidoreductase C) Transferase D) Ligase

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Question 327

Which of the following coenzyme takes part in tissue respiration?

A) Coenzyme Q B) Coenzyme A C) NADP D) Cobamide

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Question 328

A coenzyme required in carboxylation reactions is?

A) Lipoic acid B) Coenzyme A C) Biotin D) All of these

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Question 329

Coenzyme A contains a vitamin which is?

A) Thiamin B) Ascorbic acid C) Pantothenic acid D) Niacinamide

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Question 330

A coenzyme required in transamination reactions is?

A) Coenzyme A B) Coenzyme Q C) Biotin D) Pyridoxal phosphate

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