Biochemistry - Mock Test 54

Question 531

Apolipoproteins are?

A) AI B) AI1 C) C1 D) All of these

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Question 532

The amino acids in which the R groups have a net positive charge at pH 7.0 are?

A) Lysine, Arginine, Histidine B) Lysine, Aspargine C) Histidine, Aspargine D) Glutamine, Arginine

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Question 533

A hexa peptide with 5 aspartic acid would have a net charge at pH 7?

A) Neutral B) Positive C) Negative D) Not predictable

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Question 534

Hemoglobin has a high content of this amino acid?

A) Proline B) Leucine C) Arginine D) Histicline

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Question 535

It is the only amino acid having an ionizing ‘R’ group with a pK’ near 7 and is important in the active site of some enzymes?

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

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Question 536

The acid amide of Aspartic acid is?

A) Glutamine B) Arginine C) Aspargine D) Ornithine

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Question 537

Bonds that are formed between two cysteine residues is?

A) Disulphide B) Peptide C) Electrostatic D) Hydrophobic

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Question 538

In Nitroprusside test, amino acid cystein produces?

A) Blue colour complex B) Red colour C) Yellow colour D) Purple colour

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Question 539

Side chains of all amino acids contain aromatic rings except?

A) Pheynl alanine B) Alanine C) Tyrosine D) Tryptophan

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Question 540

In prehepatic jaundice, protein flocculation test is?

A) Normal/weekly positive B) Usually positive C) Negative D) None of these

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