Biochemistry - Mock Test 61

Question 601

An amino acid not containing the usual— COOH group is?

A) Alanine B) Tryptophan C) Methionine D) Taurine

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Question 602

One of the following has a phenolic group?

A) Histidine B) Hydroxy lysine C) Seratonine D) Hydroxy proline

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Question 603

An amino acid which contains a disulphide bond is?

A) Lysine B) Methionine C) Homocysteine D) Cystine

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Question 604

After digestion amino acids?

A) Are absorbed into portal circulation B) Are absorbed into lymph C) Are excreted to the extent of 50% D) Converted into glucose in the intestine

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Question 605

Plasma proteins are isolated by?

A) Salting out B) Electrophoresis C) Flourimetry D) Both A and B

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Question 606

The amino acid exist as Zwitter ions when they are in?

A) solid state B) acidic solution C) alkaline solution D) neutral solution

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Question 607

Which among the following has an imidazole group?

A) Histidine B) Tryptophan C) Proline D) Hydroxy proline

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Question 608

When amino acids are treated with neutral formaldehyde, the pH of the mixture?

A) Is not altered B) Increases C) Decreases D) First increases then decreases

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Question 609

The pH of an amino acid depends?

A) Optical rotation B) Dissociation constant C) Diffusion coefficient D) Chain length

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Question 610

Sakaguchi reaction is answered by?

A) Lysine B) Ornithine C) Arginine D) Arginino succinic acid

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