Description : A ketogenic amino acid is (A) Valine (B) Cysteine (C) Leucine (D) Threonine
Last Answer : Answer : C
Description : In the B chain of insulin molecule, the Nterminal amino acid is (A) Proline (B) Threonine (C) Phenylalanine (D) Lysine
Description : An essential amino acid in man is (A) Proline (B) Threonine (C) Asparagine (D) Tyrosine
Last Answer : Answer : B
Description : The side chain of which of the following amino acid contain sulphur atom? (A) Methionine (B) Threonine (C) Leucine (D) Tryptophan
Last Answer : Answer : A
Description : The lone pair of electrons at one of the ring nitrogens in the given amino acid makes a potential ligand, which is important in binding the iron atoms in hemoglobin: (A) Tryptophan (B) Threonine (C) Histidine (D) Serine
Description : The amino acid with a nonpolar side chain is (A) Serine (B) Valine (C) Asparagine (D) Threonine
Description : The optically inactive amino acid is (A) Glycine (B) Serine (C) Threonine (D) Valine
Last Answer : (A) Glycine
Description : Hemoglobin has a high content of this amino acid: (A) Proline (B) Leucine (C) Arginine (D) Histicline
Last Answer : Answer : D
Description : The basic amino acid: (A) Glycine (B) Leucine (C) Histidine (D) Proline
Description : The neutral amino acid is (A) Lysine (B) Proline (C) Leucine (D) Histidine
Description : An amino acid required for porphyrin synthesis is (A) Proline (B) Glycine (C) Serine (D) Histidine
Description : An amino acid having a hydrophilic side chain is (A) Alanine (B) Proline (C) Methionine (D) Serine
Description : One of the given example is an amino acid: (A) Oh-Lysine (B) Protein (C) Leucine (D) Serine
Description : Two amino groups are present in (A) Leucine (B) Glutamate (C) Lysine (D) Threonine
Description : The α-carbon of all the amino acids is a chirality center except for __________. (a) Glycine (b) Threonine (c) Proline (d) Aspartic acid
Last Answer : Glycine
Description : Which of the following amino acids has a heterocyclic R group? (a) Glycine (b) Threonine (c) Proline (d) Aspartic acid
Last Answer : Proline
Description : Most amino acids are substrates for transamination except (A) Alanine (B) Threonine (C) Serine (D) Valine
Description : All amino acids are optically active except (A) Glycine (B) Serine (C) Threonine (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 : Both folic acid and methyl cobalamin (vitamin B12) are required in (A) Deamination of serine (B) Deamination of threonine (C) Conversion of pyridoxal phosphate to pyridoxamine phosphate (D) Methylation of homocystein to methionine
Description : Which of the following amino acids has an aliphatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Leucine
Last Answer : Leucine
Description : All followings are ketogenic aminoacids except (A) Leucine (B) Isoleucine (C) Phenyl alanine (D) Glycine
Description : In glutathione (a tripeptide) is present apart from Glutamic acid and cysteine: (A) Serine (B) Glycine (C) Leucine (D) Phenyl alanine
Description : Which among the following is a basic amino acid? (A) Aspargine (B) Arginine (C) Proline (D) Alanine
Description : Which among the following is an essential amino acid? (A) Cysteine (B) Leucine (C) Tyrosine (D) Aspartic acid
Description : Cysteine can be synthesized from methionine and (A) Serine (B) Homoserine (C) Homocysteine (D) Threonine
Description : In the synthesis of Angiotensin I, rennin acts on Angiotensinogen and cleaves the (A) Leucine – leucine at 10 and 11 position (B) Valine – tyrosine at 3 and 4 position (C) Isoleucine – histidine at 5 and 6 position (D) Proline – histidine at 7 and 8 position
Description : Which among the following is an essential amino acid for man? (A) Alanine (B) Serine (C) Valine (D) Glutamic acid
Description : Covalent modification of an enzyme usually involves phosphorylation / dephosphorylation of (A) Serine residue (B) Proline residue (C) Hydroxylysine residue (D) Hydroxyproline residue
Description : An –OH group is present in the side chain of (A) Serine (B) Arginine (C) Lysine (D) Proline
Description : An important feature of maple syrup urine disease is (A) Patient can not be treated by dietary regulation (B) Without treatment death, of patient may occur by the end of second year of life (C) Blood levels of leucine, isoleucine and serine are increased (D) Excessive brain damage
Description : One of the following amino acid is solely ketogenic: (A) Lysine (B) Alanine (C) Valine (D) Glutamate
Description : Name a purely ketogenic amino acid. (P
Last Answer : Leucine.
Description : In the B chain of insulin molecule, the C-terminal amino acid: (A) Threonine (B) Tyrosine (C) Glutamate (D) Valine
Description : In the A chain of insulin molecule the Cterminal amino acid is (A) Asparagine (B) Threonine (C) Valine (D) Tyrosine
Description : The amino acid containing an indole ring: (A) Tryptophan (B) Arginine (C) Threonine (D) Phenylalanine
Description : The amino acid containing hydroxyl group: (A) Alanine (B) Isoleucine (C) Arginine (D) Threonine
Description : This amino acid cannot have optical isomers: (A) Alanine (B) Histidine (C) Threonine (D) Glycine
Description : The limiting amino acid of fish proteins is (A) Tryptophan (B) Cysteine (C) Lysine (D) Threonine
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 : Which one of the following is an essential amino acid? (A) Arginine (B) Tyrosine (C) Phenylalanine (D) Proline
Description : The amino acid which gives yellow colour with Ninhydrin in paper chromatography is (A) Tyrosine (B) Proline (C) Tryptophan (D) Alanine
Description : An amino acid that does not take part in α helix formation is (A) Histidine (B) Tyrosine (C) Proline (D) Tryptophan
Description : The amino acid from which synthesis of the protein of hair keratin takes place is (A) Alanine (B) Methionine (C) Proline (D) Hydroxyproline
Description : An amino acid not found in proteins is (A) β-Alanine (B) Proline (C) Lysine (D) Histidine
Description : An amino acid that does not form an αhelix is (A) Valine (B) Proline (C) Tyrosine (D) Tryptophan
Description : Which amino acid is a lipotropic factor? (A) Lysine (B) Leucine (C) Tryptophan (D) Methionine
Description : Neutral amino acid is (A) Leucine (B) Lysine (C) Aspartic acid (D) Histidine