Enzymes - Mock Test 31

Question 301

Lactate dehydrogenase is located in?

A) Lysosomes B) Mitochondria C) Cytosol D) Microsomes

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Question 302

The first enzyme found to have isoenzymes was?

A) Alkaline Phosphatase B) Lactate dehydrogenase C) Acid Phosphatase D) Creatine kinase

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Question 303

An inorganic ion required for the activity of an enzyme is known as?

A) Activator B) Cofactor C) Coenzyme D) None of these

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Question 304

An inorganic ion required for the activity of an enzyme is known as?

A) Activator B) Cofactor C) Coenzyme D) None of these

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Question 305

An inorganic ion required for the activity of an enzyme is known as?

A) Activator B) Cofactor C) Coenzyme D) None of these

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Question 306

Covalent modification of an enzyme generally requires a?

A) Hormone B) cAMP C) Protein kinase D) All of these

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Question 307

Regulation of some enzymes by covalent modification involves addition or removal of?

A) Acetate B) Sulphate C) Phosphate D) Coenzyme

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Question 308

Allosteric enzymes regulate the formation of products by?

A) Feedback inhibition B) Non-competitive inhibition C) Competitive inhibition D) Repression-derepression

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Question 309

Whcih of the following is a proenzyme?

A) Carboxypeptidase B) Aminopeptidase C) Chymotrypsin D) Pepsinogen

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Question 310

Inactive precursors of enzymes are known as?

A) Apoenzymes B) Coenzymes C) Proenzymes D) Holoenzymes

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