Biochemistry - Mock Test 50

Question 491

From two amino acids peptide bond formation involves removal of one molecule of?

A) Water B) Ammonia C) Carbondioxide D) Carboxylic acid

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Question 492

The amino acid which contains an indole group is?

A) Histidine B) Arginine C) Cystine D) Tryptophan

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Question 493

Which amino acid is present at 6th position of β-chain of Hbs instead of glutamate in HbA?

A) Cysteine B) Valine C) Aspartate D) Glutamate

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Question 494

Which of the following protein is rich in cysteine?

A) Elastine B) Collagen C) Fibrin D) Keratin

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Question 495

Which of the following contributes nitrogen atoms to both purine and pyrimidine rings?

A) Aspartate B) Carbamoyl phosphate C) CO2 D) Glutamine

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Question 496

Isoelectric pH of an amino acid is that pH at which it has a?

A) Positive charge B) Negative charge C) No charge D) None of these

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Question 497

Along with CO2, NH3 and ATP, the amino acid that is needed in urea cycle is?

A) Alanine B) Isoleucine C) Aspartate D) Glycine

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Question 498

One of the following amino acid is solely ketogenic?

A) Lysine B) Alanine C) Valine D) Glutamate

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Question 499

Which one of the following is an essential amino acid?

A) Arginine B) Tyrosine C) Phenylalanine D) Proline

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Question 500

A dietary deficiency of tryptophan and nicotinate leads to?

A) Beri Beri B) Xerophthalmia C) Anemia D) Pellegra

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