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Q. 43 An enzyme follows Michaelis-Menten kinetics with substrate S. The fraction of the maximum velocity ( 𝑽max ) will be observed with the substrate concentration [ S ] = […]

Q. 42 The secondary structure topology diagram of 400 amino acid long “Protein-X” is depicted in the figure. The start and end amino acid residue numbers of each 𝜶-helix are […]

Q. 41 A polymerase reaction is carried out for 10 cycles in a volume of 1 ml with 5 molecules of template DNA. Assuming that the efficiency of the reaction […]

Q. 40 Which one the following reaction mechanisms drives the conversion of low energy 3phosphoglyceraldehyde to high energy 1,3-bisphosphoglycerate? (A) Oxidation without anhydride bond formation (B) Oxidation coupled with anhydride […]

Q. 39 The type-II hypersensitivity reaction is mainly mediated by ____ . (A) IgE (B) IgM (C) IgA (D) T cells Type II hypersensitivity reactions involve antibody-mediated cytotoxicity targeting cell […]

Q. 38 Which one of the following is NOT a neurotransmitter? (A) Adrenaline (B) Glutamate (C) Histamine (D) Histidine Adrenaline is not primarily recognized as a neurotransmitter, unlike the other […]

Q. 37 Match the protein elution condition given in Group I with the appropriate chromatography matrices from Group II. Group I Group II P Increasing concentration of sodium chloride i […]

Q. 36 Among the reagents given below which one of the combination of reagents will NOT break the disulphide bonds in the immunoglobulin molecules? (P) Reduced glutathione (Q) Dithiothritol (R) […]

Q. 35 Measurement of the absorbance of a solution containing NADH in a path length of 1 cm cuvette at 340 nm shows the value of 0.31. The molar extinction […]

Q. 34 The number of NADP +molecules required to completely oxidize one molecule of glucose to 𝐂𝐎𝟐 through pentose phosphate pathway is ____ (correct to integer number). The pentose phosphate […]