Biochemistry - Mock Test 40

Question 391

More than one break in the line or in saturation curve indicates the following quality of protein?

A) Non homogenity B) Purity C) Homogeneity D) None of these

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Question 392

The purity of an isolated protein can be tested by employing various methods?

A) Solubility curve B) Molecular weight C) Ultra Centrifugation D) Immuno Ractivity

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Question 393

In denaturation of proteins, the bond which is not broken?

A) Disulphide bond B) Peptide bond C) Hydrogen bond D) Ionic bond

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Question 394

Denaturation of proteins involves breakdown of?

A) Secondary structure B) Tertiary structure C) Quarternary structure D) All of these

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Question 395

Ninhydrin reaction gives a purple colour and evolves CO2 with?

A) Peptide bonds B) Histamine C) Ergothioneine D) Aspargine

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Question 396

The PH of albumin is?

A) 3.6 B) 4.7 C) 5 D) 6.1

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Question 397

Number of chains in globin part of normal Hb?

A) 1 B) 2 C) 3 D) 4

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Question 398

Abnormal chain of amino acids in sickle cell anaemia is?

A) Alpha chain B) Beta chain C) Delta chain D) Gama chain

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Question 399

Side chains of all following amino acids contain aromatic rings except?

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

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Question 400

Systematic name of lysine is?

A) Amino acetic acid B) 2,6 diaminohexanoic acid C) Aminosuccinic acid D) 2-Aminopropanoic acid

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