Description : Carnitine is synthesized from (A) Lysine and methionine (B) Glycine and arginine (C) Aspartate and glutamate (D) Proline and hydroxyproline
Last Answer : Answer : A
Description : The amino acids involved in the synthesis of creatin are (A) Arginine, glycine, active methionine (B) Arginine, alanine, glycine (C) Glycine, lysine, methionine (D) Arginine, lysine, methionine
Description : The amino acid from which synthesis of the protein of hair keratin takes place is (A) Alanine (B) Methionine (C) Proline (D) Hydroxyproline
Last Answer : Answer : B
Description : Which one of the following is sulphur-containing amino acid? (A)Tryptophan (B) Cystine (C) Proline (D) Lysine
Last Answer : (B) Cystine
Description : α-helix is disrupted by certain amino acids like (A) Proline (B) Arginine (C) Histidine (D) Lysine
Description : An aromatic amino acid is (A) Lysine (B) Tyrosine (C) Taurine (D) Arginine
Last Answer : (B) Tyrosine
Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine
Last Answer : Answer : D
Last Answer : (D) Threonine
Description : An amino acid not containing the usual— COOH group is (A) Alanine (B) Tryptophan (C) Methionine (D) Taurine
Description : An amino acid which contains a disulphide bond is (A) Lysine (B) Methionine (C) Homocysteine (D) Cystine
Description : Skeletal muscle breakdown produces predominantly liberation of which two amino acids? A. Lysine. B. Tyrosine. C. Alanine. D. Glutamine. E. Arginine.
Last Answer : Answer: CD DISCUSSION: Alanine is released from skeletal muscle and extracted by the liver, where it is converted to new glucose. Glutamine is also released from muscle and participates in ... these two amino acids account for approximately two thirds of the nitrogen released from skeletal muscle
Description : For the synthesis of amino acids cysteine, cystine and methionine the element required is a. Sulphur b. Oxygen c. Nitrogen d. None of these
Last Answer : Ans: D
Description : Which among the following is a basic amino acid? (A) Aspargine (B) Arginine (C) Proline (D) Alanine
Description : An amino acid having a hydrophilic side chain is (A) Alanine (B) Proline (C) Methionine (D) Serine
Description : An amino acid not found in proteins is (A) β-Alanine (B) Proline (C) Lysine (D) Histidine
Description : The first amino acid incorporated in a polypeptide in a ribosome of a human is (A) N formyl methionine (B) Methionine (C) Phenyl alanine (D) Hydroxy lysine
Description : The sparing action of methionine is (A) Tyrosine (B) Cystine (C) Arginine (D) Tryptophan
Description : Cystine is synthesized from (A) Cysteine (B) Methionine (C) Arginine (D) Leucine
Description : An –OH group is present in the side chain of (A) Serine (B) Arginine (C) Lysine (D) Proline
Description : The amino acids required for creatine formation: (A) Glycine (B) Arginine (C) Methionine (D) All of these
Description : 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
Description : All the following amino acids are nonessential except (A) Alanine (B) Histidine (C) Cysteine (D) Proline
Description : Optical isomers of all aminoacids exist except (A) Glycine (B) Arginine (C) Alanine (D) Hydroxy proline
Description : The basic amino acids are (A) Lysine (B) Bile acids (C) Glycine (D) Alanine
Description : The amino acid which contains an indole group is (A) Histidine (B) Arginine (C) Cystine (D) Tryptophan
Description : 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
Description : Sulphur containing amino acid (A)Lysine (B) Methionine (C)Glutamine (D) Glycine
Last Answer : (B) Methionine
Description : All the following statements about carnitine are true except (A) It can be synthesised in the human body (B) It can be synthesized from methionine and lysine (C) It is required for transport of short chain fatty acids into mitochondria (D) Its deficiency can occur due to haemodialysis
Last Answer : Answer : C
Description : Which one of the following is an essential amino acid? (A) Arginine (B) Tyrosine (C) Phenylalanine (D) Proline
Description : Hemoglobin has a high content of this amino acid: (A) Proline (B) Leucine (C) Arginine (D) Histicline
Description : In the B chain of insulin molecule, the Nterminal amino acid is (A) Proline (B) Threonine (C) Phenylalanine (D) Lysine
Description : The neutral amino acid is (A) Lysine (B) Proline (C) Leucine (D) Histidine
Description : Which one of the following is semiessential amino acid for humans? (A) Valine (B) Arginine (C) Lysine (D) Tyrosine
Description : The amino acid which gives yellow colour with Ninhydrin in paper chromatography is (A) Tyrosine (B) Proline (C) Tryptophan (D) Alanine
Description : Histones are (A) Identical to protamine (B) Proteins rich in lysine and arginine (C) Proteins with high molecular weight (D) Insoluble in water and very dilute acids
Description : Which amino acid is a lipotropic factor? (A) Lysine (B) Leucine (C) Tryptophan (D) Methionine
Description : Which amino acid is a lipotropic factor? (A) Lysine (B) Lecuine (C) Tryptophan (D) Methionine
Description : The limiting amino acid in pulses is (A) Leucine (B) Lysine (C) Tryptophan (D) Methionine
Description : The limiting amino acid in wheat is (A) Leucine (B) Lysine (C) Cysteine (D) Methionine
Description : The amino acid containing hydroxyl group: (A) Alanine (B) Isoleucine (C) Arginine (D) Threonine
Description : An example of polar amino acid is (A) Alanine (B) Leucine (C) Arginine (D) Valine
Description : Covalent modification of an enzyme usually involves phosphorylation / dephosphorylation of (A) Serine residue (B) Proline residue (C) Hydroxylysine residue (D) Hydroxyproline residue
Description : All the following statement about hydroxyproline are true except (A) There is no codon for hydroxyproline (B) It is present in large amounts in collagen (C) Free proline cannot be hydroxylated to hydroxyproline (D) Hydroxylation of proline residues is catalysed by a dioxygenase
Description : All of the following statements about proline are true except (A) It is an imino acid (B) It can be synthesized from glutamate (C) It can be catabolised to glutamate (D) Free proline can be hydroxylated to hydroxyproline
Description : One of the following amino acid is solely ketogenic: (A) Lysine (B) Alanine (C) Valine (D) Glutamate
Description : The amino acid which is not optically active is (A) Alanine (B) Glycine (C) Glutamine (D) Lysine
Description : The number of amino acids in human growth hormone is (A) 91 (B) 151 (C) 191 (D) 291
Description : Branched chain amino acids are (A) Cysteine and cystine (B) Tyrosine and Tryptophan (C) Glycine and Serine (D) Valine, Leucine and Isoleucine