Description : Oxidation of galactose with conc HNO3 yields (A) Mucic acid (B) Glucuronic acid (C) Saccharic acid (D) Gluconic acid
Last Answer : A
Description : Hippuric acid is formed from (A) Benzoic acid and alanine (B) Benzoic acid glycine (C) Glucuronic acid and alanine (D) Glucuronic acid and glycine
Last Answer : Answer : B
Description : Glycoproteins are marked for destruction by removal of their (A) Oligosaccharide prosthetic group (B) Sialic acid residues (C) Mannose residues (D) N-terminal amino acids
Last Answer : Answer : D
Description : How N-acetyl neuraminic acid (sialic acid) is synthesised?
Last Answer : N-acetyl mannosamine-6-phosphate + phospho enol pyruvate.
Description : The repeating unit in hyaluronic acid is (A) Glucuronic acid and Galactosamine (B) Glucuronic acid are glucosamine (C) Glucuronic acid and N-acetyl glucosamine (D) Glucuronic acid and N-acetyl galactosamine
Last Answer : Answer : C
Description : Repeating units of hyaluronic acid are (A) N-acetyl glucosamine and D-glucuronic acid (B) N-acetyl galactosamine and D-glucuronic acid (C) N-acetyl glucosamine and galactose (D) N-acetyl galactosamine and L- iduronic acid
Description : Galactose on oxidation with conc. HNO3 produces (A) Gluconic acid (B) Saccharic acid (C) Saccharo Lactone (D) Mucic acid
Last Answer : D
Description : Among the following, a test of Glomerular function is (A) Urea clearance (B) PSP excretion test (C) PAH clearance (D) Hippuric acid excretion test
Description : A test to evaluate detoxifying function of liver is (A) Serum albumin: globulin ratio (B) Galactose tolerance test (C) Hippuric acid test (D) Prothrombin time
Description : The best known and most frequently used test of the detoxicating functions of liver is (A) Hippuric acid test (B) Galactose tolerance test (C) Epinephrine tolerance test (D) Rose Bengal dye test
Last Answer : Answer : A
Description : The amino acid which detoxicated benzoic acid to form hippuric acid is (A) Glycine (B) Alanine (C) Serine (D) Glutamic acid
Description : Proteoglycans are made up of proteins and (A) Glucosamine (B) Mannosamine (C) Sialic acid (D) Mucopolysaccharides
Description : All the following are constituents of ganglioside molecule except (A) Glycerol (B) Sialic acid (C) Hexose sugar (D) Sphingosine
Description : The combination of an amino alcohol, fatty acid and sialic acid form (A) Phospholipids (B) Sulpholipids (C) Glycolipids (D) Aminolipids
Description : Gangliosides derived from glucosylceramide contain in addition one or more molecules of (A) Sialic acid (B) Glycerol (C) Diacylglycerol (D) Hyaluronic acid
Description : I-cell disease results from absence of the following from lysosomal enzymes: (A) Signal sequence (B) Mannose-6-phosphate (C) Sialic acid (D) A serine residue
Description : Reduction of Glucose with Ca++ in water produces (A) Sorbitol (B) Dulcitol (C) Mannitol (D) Glucuronic acid
Description : A substance that is not an intermediate in the formation of D-glucuronic acid from glucose is (A) Glucoss-1-p (B) 6-Phosphogluconate (C) Glucose-6-p (D) UDP-Glucose
Last Answer : B
Description : UDP Glucuronic acid is required for the biosynthesis of (A) Chondroitin sulphates (B) Glycogen (C) Lactose (D) Starch
Description : For glycogenesis, Glucose should be converted to (A) Glucuronic acid (B) Pyruvic acid (C) UDP glucose (D) Sorbitol
Last Answer : C
Description : UDPG is oxidized to UDP glucuronic acid by UDP dehydrogenase in presence of (A) FAD+ (B) NAD+ (C) NADP+ (D) ADP+
Description : In place of glucuronic acid chondroitin sulphate B contains (A) Gluconic acid (B) Gulonic acid (C) Induronic acid (D) Sulphonic acid
Description : Uridine diphosphate glucose (UDPG) is (A) Required for metabolism of galactose (B) Required for synthesis of glucuronic acid (C) A substrate for glycogen synthetase (D) All of the above
Description : α–D–Glucuronic acid is present in (A) Hyaluronic acid (B) Chondroitin sulphate (C) Heparin (D) All of these
Description : Glucose on oxidation does not give (A) Glycoside (B) Glucosaccharic acid (C) Gluconic acid (D) Glucuronic acid
Description : Sialic acids are present in (A) Proteoglycans (B) Glycoproteins (C) Both (A) and (B) (D) None of these
Description : Which of the following binary systems is an example of a maximum boiling azeotrope? (A) Water-hydrochloric acid (B) Acetone-carbon disulphide (C) Water-ethyl alcohol (D) n-heptane-n-octane
Last Answer : (A) Water-hydrochloric acid
Description : In E. coli the chain initiating amino acid in protein synthesis is (A) N-formyl methionine(B) Methionine (C) Serine (D) Cysteine
Description : Which of the following is present as a marker in lysosomal enzymes to direct them to their destination? (A) Glucose-6-phosphate (B) Mannose-6-phosphate (C) Galactose-6-phosphate (D) N-Acetyl neuraminic acid
Description : The half-life of a protein depends upon its (A) Signal sequence (B) N-terminus amino acid (C) C-terminus amino acid (D) Prosthetic group
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 : Amino acid residues which are essential for the biological activity of PTH are (A) N-terminal 34 amino acids (B) N-terminal 50 amino acids (C) C-terminal 34 amino acids (D) C-terminal 50 amino acids
Description : The biosynthesis of both Catecholamine and serotonin require (A) Tyrosine hydroxylase (B) N-methyl transferase (C) Aromatic amino acid decarboxylase (D) Tryptophan pyrrolase
Description : Biological activity of ACTH requires (A) 10-N-terminal amino acid (B) 24-N-terminal amino acid (C) 24-C-terminal amino acid (D) 15-C-terminal amino acid
Description : The number of milliliters of 0.1 N KOH required to neutralize the insoluble fatty acids from 5 gms of fat is called (A) Acid number (B) Acetyl number (C) Halogenation (D) Polenske number
Description : The number of ml of N/10 KOH required to neutralize the fatty acids in the distillate from 5 gm of fat is called (A) Reichert-Meissel number (B) Polenske number (C) Acetyl number (D) Non volatile fatty acid number
Description : Carbamoyl phosphate synthetase structure is marked by change in the presence of (A) N-Acetyl glutamate (B) N-Acetyl Aspartate (C) Neuraminic acid (D) Oxalate
Description : In the following reaction, Alanine acts as a 3 3 3 3 + + → H H | | H N – – COO —— H N – – COOH C C | | CH CH (A) Acid (B) Base (C) Zwitter ion (D) None of these
Description : The first amino acid incorporated in a polypeptide in a ribosome of a bacterium is (A) N formyl methionine (B) Methionine (C) Alamine (D) Glycine
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 : Transmethylation of guanido acetic acid gives (A) Creatine phosphate (B) Creatinine (C) Choline (D) n-methyl nicotinamide
Description : Bence-Jones proteins possess all the following properties except (A) They are dimers of light chains (B) Their amino acids sequences are identical (C) Their N-terminal halves have variable amino acid sequences (D) Their C-terminal halves have constant amino acid sequences
Description : In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine
Description : N–Acetylglucosamnine is present in (A) Hyaluronic acid (B) Chondroitin sulphate (C) Heparin (D) All of these