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Q.38 The enzyme NOT involved in oxidation of the molecule shown below is (A)Δ3, Δ2- Enoyl –CoA isomerase (B) Propionyl-CoA caboxylase (C) Acyl CoA dehydrogenase (D)Enoyl CoA hydratase Introduction Oxidation […]

Q.37. The ascending order of half-life for the radioactive isotopes, 125I, 3H, 14C and 32P, is: (A) 14C < 125I < 3H < 32P (B) 32P < 3H < 125I […]

Q.36 A mixture of the following purified proteins, IgG, IgM and Fab fragment of immunoglobulins, is separated using gel filtration chromatography. The order of elution of these proteins (first to […]

Q.35 You are given a 0.1M solution of Glucose (stock solution). The stock solution required to make 0.5 ml of 0.005M Glucose solution (rounded off to three decimal places) in […]

Q.34 The electrostatic interaction energy between a positively charged atom A and negatively charged atom B separated by 3 Å in water is -6 kJ/mol. Considering the relative permittivity of […]

Q.33 Allergies are due to a hyper immune response. Drugs given to counter allergies target (A)Glycine (B) Histamine (C) Insulin (D)Cellulose Allergies stem from an overactive immune response where the […]

Q.32 Nitric oxide synthase is responsible for generation of Nitric oxide, an important signaling molecule. The substrate for this enzyme is (A)Glycine (B) Lysine (C) Histidine (D)Arginine Nitric oxide synthase […]

Q.31 Slow intravenous infusion of ethanol is a therapy to treat methanol poisoning. The underlying chemical reaction is an example of (A)Competitive inhibition (B) Non-competitive inhibition (C) Mixed inhibition (D)Enzyme […]

Q.30 The light-harvesting pigment NOT used by Cyanobacteria for photosynthesis is (A)Rhodopsin (B) Phycobilin (C) Phycoerythrobilin (D)Phycocyanobilin The correct answer to the question “The light-harvesting pigment NOT used by Cyanobacteria […]

Q.29 The dipeptide with least rotational barrier in the peptide bond is Introduction In peptides and proteins, the peptide bond (–CO–NH–) shows restricted rotation due to partial double-bond character arising […]