Biochemistry - Mock Test 99

Question 981

A vasodilating compound is produced by the decarboxylation of the amino acid?

A) Arginine B) Aspartic acid C) Glutamine D) Histidine

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Question 982

In mammalian tissues serine can be a biosynthetic precursor of?

A) Methionine B) Glycine C) Tryptophan D) Phenylalanine

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Question 983

An amino acid not found in proteins is?

A) β-Alanine B) Proline C) Lysine D) Histidine

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Question 984

An amino acid that does not form an α helix is?

A) Valine B) Proline C) Tyrosine D) Tryptophan

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Question 985

A ketogenic amino acid is?

A) Valine B) Cysteine C) Leucine D) Threonine

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Question 986

The amino acid with a nonpolar side chain is?

A) Serine B) Valine C) Asparagine D) Threonine

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Question 987

An example of polar amino acid is?

A) Alanine B) Leucine C) Arginine D) Valine

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Question 988

Which one of the following is semiessential amino acid for humans?

A) Valine B) Arginine C) Lysine D) Tyrosine

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Question 989

Non essential amino acids?

A) Are not components of tissue proteins B) May be synthesized in the body from essential amino acids C) Have no role in the metabolism D) May be synthesized in the body in diseased states

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Question 990

An essential amino acid in man is?

A) Aspartate B) Tyrosine C) Methionine D) Serine

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