Description : Sulphur is made available to the body by the amino acids: (A) Cystine and methionine (B) Taurine and alanine (C) Proline and hydroxyproline (D) Arginine and lysine MINERAL METABOLISM 191
Last Answer : Answer : A
Description : Sulphur, containing amino acid is – 1) Valine 2) Isolucine 3) Cystine 4) None of these
Last Answer : 3) Cystine
Description : Sulphur containing amino acid (A)Lysine (B) Methionine (C)Glutamine (D) Glycine
Last Answer : (B) Methionine
Description : Which of the following amino acid participate in urea cycle?(a) Argininie (b) Lysine (c) Tryptophan (d) Histidine
Last Answer : (a) Argininie
Description : An amino acid which contains a disulphide bond is (A) Lysine (B) Methionine (C) Homocysteine (D) Cystine
Last Answer : Answer : D
Description : The amino acid which contains an indole group is (A) Histidine (B) Arginine (C) Cystine (D) Tryptophan
Description : All the following are sulphur containing amino acids found in proteins except (A) Cysteine (B) Cystine (C) Methionine (D) Threonine
Last Answer : (D) Threonine
Description : Sulphur-containing amino acid is (A) Glutathione (B) Chondroitin sulphate (C) Homocysteine (D) Tryptophan
Last Answer : Answer : C
Description : The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following options is correct? - HN - CH - CO - NH - CH - CO - NH - CH - CO - ... -terminal amino acid and D is N-terminal amino acid. (d) A is a sulphur containing amino acid methionine.
Last Answer : (a) D is the acidic amino acid-glutamic acid.
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 : An amino acid not found in proteins is (A) β-Alanine (B) Proline (C) Lysine (D) Histidine
Description : An amino acid used for the synthesis of thyroid hormone is (A) Tyrosine (B) Tryptophan (C) Histidine (D) Proline
Description : An amino acid that does not form an αhelix is (A) Asparagine (B) Tyrosine (C) Tryptophan (D) Proline
Description : The amino acid which gives yellow colour with Ninhydrin in paper chromatography is (A) Tyrosine (B) Proline (C) Tryptophan (D) Alanine
Last Answer : Answer : B
Description : An amino acid that does not take part in α helix formation is (A) Histidine (B) Tyrosine (C) Proline (D) Tryptophan
Description : An amino acid that does not form an αhelix is (A) Valine (B) Proline (C) Tyrosine (D) Tryptophan
Description : Branched chain amino acids are (A) Cysteine and cystine (B) Tyrosine and Tryptophan (C) Glycine and Serine (D) Valine, Leucine and Isoleucine
Description : Generally, cereals are deficient in – a) Protein b) Tryptophan c) Methionine d) Lysine
Last Answer : a) Protein
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 of fish proteins is (A) Tryptophan (B) Cysteine (C) Lysine (D) Threonine
Description : The limiting amino acid of rice is (A) Lysine (B) Tryptophan (C) Phenylalanine (D) Tyrosine
Description : α-helix is disrupted by certain amino acids like (A) Proline (B) Arginine (C) Histidine (D) Lysine
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 : The amino acid containing an indole ring: (A) Tryptophan (B) Arginine (C) Threonine (D) Phenylalanine
Description : An amino acid not containing the usual— COOH group is (A) Alanine (B) Tryptophan (C) Methionine (D) Taurine
Description : The side chain of which of the following amino acid contain sulphur atom? (A) Methionine (B) Threonine (C) Leucine (D) Tryptophan
Description : The sparing action of methionine is (A) Tyrosine (B) Cystine (C) Arginine (D) Tryptophan
Description : In biotin-containing enzymes, the biotin is bound to the enzyme by (A) An amide linkage to carboxyl group of glutamine (B) A covalent bond with CO2 (C) An amide linkage to an amino group of lysine (D) An amide linkage to α-carboxyl group of protein
Description : A molecule of CO2 is captured by biotin when it acts as coenzyme for carboxylation reaction. The carboxyl group is covalently attached to (A) A nitrogen (N1) of the biotin molecule (B) Sulphur of thiophene ring (C) α-Amino group of lysine (D) α-Amino group of protein
Description : The deficiency of copper decreases the activity of the enzyme: (A) Lysine oxidase (B) Lysine hydroxylase (C) Tyrosine oxidase (D) Proline hydroxylase
Description : Carnitine is synthesized from (A) Lysine and methionine (B) Glycine and arginine (C) Aspartate and glutamate (D) Proline and hydroxyproline
Description : Hydroxylation of Proline and Lysine in a protein is effected by (A) Vitamin B1 (B) Vitamin B2 (C) Vitamin B6 (D) Vitamin C
Description : One of the following has a phenolic group: (A) Histidine (B) Hydroxy lysine (C) Seratonine (D) Hydroxy proline
Description : An –OH group is present in the side chain of (A) Serine (B) Arginine (C) Lysine (D) Proline
Description : Millon’s test is for identification of (A) Tyrosine (B) Tryptophan (C) Proline (D) Arginine
Description : Which among the following has an imidazole group? (A) Histidine (B) Tryptophan (C) Proline (D) Hydroxy proline
Description : Hormones thyroxine, adrenaline and the pigment melanin are formed from (a) tyrosine (b) proline (c) tryptophan (d) glycine.
Last Answer : (a) tyrosine
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 : The proteins present in maize are deficient in (A) Lysine (B) Threonine (C) Tryptophan (D) Tyrosine
Description : Maize is poor in (A) Lysine (B) Methionine (C) Tryptophan (D) Lysine and tryptophan
Description : Pulses are rich in (A) Lysine (B) Methionine (C) Tryptophan (D) Phenylalanine
Description : Pulses are deficient in (A) Lysine (B) Threonine (C) Methionine (D) Tryptophan
Description : Which of the following is a sulphur containing amino acid
Last Answer : Which of the following is a sulphur containing amino acid A. Methionine B. Asparagine C. Serine D. Proline
Description : Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid
Description : Ethereal sulphate is synthesized from the _________ amino acid. (A) Neutral (B) Acidic (C) Basic (D) Sulphur containing