Identify the statement which is incorrect. (1) Tyrosine possesses aromatic ring in its structure (2) Sulphur is an integral part of cysteine (3) Glycine is an example of lipids (4) Lecithin contains phosphorus atom in its structure
Identify the basic amino acid from the following : (1) Tyrosine (2) Glutamic acid (3) Lysine (4) Valine
Floridean starch has structure similar to: (1) Starch and cellulose (2) Amylopectin and glycogen (3) Mannitol and algin (4) Laminarin and cellulose
Which of the following statements is correct ? (1) Adenine pairs with thymine through two H-bonds. (2) Adenine pairs with thymine through one H-bond. (3) Adenine pairs with thymine through three H-bonds. (4) Adenine does not pair with thymine.
The two functional groups characteristic of sugars are : (1) carbonyl and phosphate (2) carbonyl and methyl (3) hydroxyl and methyl (4) carbonyl and hydroxyl
The term 'Nuclein' for the genetic material was used by (1) Mendel (2) Franklin (3) Meischer (4) Chargaff
A nonproteinaceous enzyme is (a) lysozyme (b) ribozyme (c) ligase (d) deoxyribonuclease.
Which one of the following statements is incorrect ? (a) The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex. (b) The presence of the competitive inhibitor decreases the Km of the enzyme for the substrate. (c) A ...
Which one of the following statements is wrong ? (a) Uracil is a pyrimidine. (b) Glycine is a sulphur containing amino acid. (c) Sucrose is a disaccharide. (d) Cellulose is a polysaccharide.
A typical fat molecule is made up of (a) one glycerol and one fatty acid molecule (b) three glycerol and three fatty acid molecules (c) three glycerol molecules and one fatty acid molecule (d) one glycerol and three fatty acid molecules.
Which of the following describes the given graph correctly ? (a) Endothermic reaction with energy A in presence of enzyme and B in absence of enzyme. (b) Exothermic reaction with energy A in presence of enzyme and B in absence of enzyme. (c) Endothermic ...
Which of the following are not polymeric ? (a) Proteins (b) Polysaccharides (c) Lipids (d) Nucleic acids