Biochemistry - Mock Test 81

Question 801

Methionine is synthesized in human body from?

A) Cysteine and homoserine B) Homocysteine and serine C) Cysteine and serine D) None of these

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Question 802

. Cysteine can be synthesized from methionine and?

A) Serine B) Homoserine C) Homocysteine D) Threonine

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Question 803

All of the following are required for hydroxylation of proline residues except?

A) Ascorbic acid B) Glutamate C) Ferrous ions D) Molecular oxygen

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Question 804

All the following statement about hydroxyproline are true except?

A) There is no codon for hydroxyproline B) It is present in large amounts in collagen C) Free proline cannot be hydroxylated to hydroxyproline D) Hydroxylation of proline residues is catalysed by a dioxygenase

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Question 805

A protein rich in hydroxyproline is?

A) Prolamin B) Procollagen C) Collagen D) Proinsulin

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Question 806

All of the following statements about proline are true except?

A) It is an imino acid B) It can be synthesized from glutamate C) It can be catabolised to glutamate D) Free proline can be hydroxylated to hydroxyproline

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Question 807

A coenzyme required for the synthesis of glycine from serine is?

A) ATP B) Pyridoxal phosphate C) Tetrahydrofolate D) NAD

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Question 808

All of the following are required for synthesis of glutamine except?

A) Glutamate B) Ammonia C) Pyridoxal phosphate D) ATP

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Question 809

Glycine can be synthesized from?

A) Serine B) Choline C) Betaine D) All of these

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Question 810

All of the following statements about aspartate are true except?

A) It is non-essential amino acid B) It is a dicarboxylic amino acid C) It can be synthesized from pyruvate and glutamate D) It can be converted into asparagine

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