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Q. 31 The glycosylation of the proteins occurs in ____ . (A) glyoxysomes (B) lysosomes (C) Golgi apparatus (D) plasma membrane Protein glycosylation is a key post-translational modification where carbohydrates […]

Q. 30 Which one of the following amino acids is responsible for the intrinsic fluorescence of proteins? (A) Pro (B) Met (C) His (D) Trp Intrinsic fluorescence in proteins arises […]

Q. 29 Which one of the following profiles represent the phenomenon of cooperativity? Which Profile Represents the Phenomenon of Cooperativity? Question Overview The following velocity (v) versus substrate concentration ([S]) […]

Q. 28 Which one of the following conformations of glucose is most stable? (A) Boat (B) Half Chair (C) Chair (D) Planar Correct Answer The correct answer is (C) Chair. Glucose, […]

Q. 27 The substrate saturation profile of an enzyme that follows Michaelis-Menten kinetics is depicted in the figure. What is the order of the reaction in the concentration range between […]

Q. 26 To which one of the following classes of enzymes does chymotrypsin belong? (A) Oxidoreductase (B) Hydrolase (C) Transferase (D) Isomerase Chymotrypsin Enzyme Class: MCQ Answer and Explanation Chymotrypsin […]

Q. 25 One mole of helium gas in an isolated system undergoes a reversible isothermal expansion at 25°C from an initial volume of 2.0 liters to a final volume of […]

Q. 24 The activation energy (Ea) values for two reactions carried out at 25°C differ by 5.0 kJ mol−1. If the pre-exponential factors (A1 and A2) for these two reactions […]

Q. 23 The solubility product (Ksp) of Mg(OH)2 at 25°C is 5.6 × 10−11. Its solubility in water is S × 10−2 g/L, where the value of S is ____ […]

Q. 22 The standard reduction potential (E°) for the conversion of Cr2O72− to Cr3+ at 25°C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr2O72− […]