Description : Which amino acid is a lipotropic factor? (A) Lysine (B) Leucine (C) Tryptophan (D) Methionine
Last Answer : Answer : D
Description : The limiting amino acid in pulses is (A) Leucine (B) Lysine (C) Tryptophan (D) Methionine
Description : Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine
Last Answer : Answer : A
Last Answer : (A) Methionine
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 : Pulses are deficient in (A) Lysine (B) Threonine (C) Methionine (D) Tryptophan
Last Answer : Answer : C
Description : Branched chain amino acids are (A) Cysteine and cystine (B) Tyrosine and Tryptophan (C) Glycine and Serine (D) Valine, Leucine and Isoleucine
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 : A ketogenic amino acid among the following is (A) Leucine (B) Serine (C) Threonine (D) Proline
Description : A ketogenic amino acid is (A) Valine (B) Cysteine (C) Leucine (D) Threonine
Description : The amino acid containing an indole ring: (A) Tryptophan (B) Arginine (C) Threonine (D) Phenylalanine
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 limiting amino acid of fish proteins is (A) Tryptophan (B) Cysteine (C) Lysine (D) Threonine
Description : The limiting amino acid in wheat is (A) Leucine (B) Lysine (C) Cysteine (D) Methionine
Last Answer : Answer : B
Description : Two amino groups are present in (A) Leucine (B) Glutamate (C) Lysine (D) Threonine
Description : The amino acid with a nonpolar side chain is (A) Serine (B) Valine (C) Asparagine (D) Threonine
Description : Which amino acid is a lipotropic factor? (A) Lysine (B) Lecuine (C) Tryptophan (D) Methionine
Description : An amino acid not containing the usual— COOH group is (A) Alanine (B) Tryptophan (C) Methionine (D) Taurine
Description : All amino acids are optically active except (A) Glycine (B) Serine (C) Threonine (D) Tryptophan
Description : An amino acid having a hydrophilic side chain is (A) Alanine (B) Proline (C) Methionine (D) Serine
Description : Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid? (a) AUG, ACG - Start/methionine (b) UUA, UCA - Leucine (c) GUU, GCU - Alanine (d) UAG, UGA - Stop
Last Answer : (b) UUA, UCA - Leucine
Last Answer : (d) UAG, UGA - Stop
Description : In the B chain of insulin molecule, the C-terminal amino acid: (A) Threonine (B) Tyrosine (C) Glutamate (D) Valine
Description : In the B chain of insulin molecule, the Nterminal amino acid is (A) Proline (B) Threonine (C) Phenylalanine (D) Lysine
Description : In the A chain of insulin molecule the Cterminal amino acid is (A) Asparagine (B) Threonine (C) Valine (D) Tyrosine
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 : Side chains of all following amino acids contain aromatic rings except (A) Phenyl alanine (B) Alanine (C) Tyrosine (D) Tryptophan
Description : Side chains of all amino acids contain aromatic rings except (A) Pheynl alanine (B) Alanine (C) Tyrosine (D) Tryptophan
Description : The sulphur containing amino acid: (A) Homoserine (B) Serine (C) Methionine (D) Valine
Description : Sulphur-containing amino acid is (A) Glutathione (B) Chondroitin sulphate (C) Homocysteine (D) Tryptophan
Description : In E. coli the chain initiating amino acid in protein synthesis is (A) N-formyl methionine(B) Methionine (C) Serine (D) Cysteine
Description : The amino terminal of all polypeptide chain at the time of synthesis in E. coli is tagged to the amino acid residue: (A) Methionine (B) Serine (C) N-formyl methinine(D) N-formal serine
Description : All the standard amino acids except the following have one chiral ‘c’ atom: (A) Threonine, Isoleucine (B) Isoleucine, Alanine (C) Threonine, Alanine (D) Alanine, Glutamine
Description : Cysteine can partially meet the requirement of (A) Phenylalanine (B) Threonine (C) Methionine (D) None of these
Description : Cysteine can be synthesized from methionine and (A) Serine (B) Homoserine (C) Homocysteine (D) Threonine
Description : The proteins present in maize are deficient in (A) Lysine (B) Threonine (C) Tryptophan (D) Tyrosine
Description : All the following are branched chain amino acids except (A) Isoleucine (B) Alanine (C) Leucine (D) Valine
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
Description : Cystine is synthesized from (A) Cysteine (B) Methionine (C) Arginine (D) Leucine
Description : Sulphur containing amino acid (A)Lysine (B) Methionine (C)Glutamine (D) Glycine
Last Answer : (B) Methionine
Description : Which one of the following is sulphur-containing amino acid? (A)Tryptophan (B) Cystine (C) Proline (D) Lysine
Last Answer : (B) Cystine
Description : N-Formiminoglutamate is a metabolite of (A) Glutamate (B) Histidine (C) Tryptophan (D) Methionine
Description : The sparing action of methionine is (A) Tyrosine (B) Cystine (C) Arginine (D) Tryptophan
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 : In mammalian tissues serine can be a biosynthetic precursor of (A) Methionine (B) Glycine (C) Tryptophan (D) Phenylalanine
Description : An essential amino acid in man is (A) Proline (B) Threonine (C) Asparagine (D) Tyrosine
Description : The amino acid containing hydroxyl group: (A) Alanine (B) Isoleucine (C) Arginine (D) Threonine