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Q.45 A 5250 base–pair long plasmid with 10 negative supercoils would have a linkingnumber of ____________, considering 10.5 base pairs per turn for B DNA.(Answer in integer) The linking number […]

Q.44 In Michaelis–Menten’s equation, if [S] = 15 Km , then the ratio 𝑣0/𝑉max is __________.(Round off to three decimal places) The ratio v0/Vmax is 0.938 when [S] = 15 […]

Q.43 Factor H, a complement regulatory protein in plasma, binds C3b and(A) competes with factor B to displace Bb from convertase.(B) initiates the catabolism of C3b into inactivate products.(C) then […]

Q.42 Which one or more of the following statements correctly describe(s) the changesupon the addition of puromycin during eukaryotic translation?(A) Puromycin resembles aminoacyl end of the charged tRNA.(B) Puromycin occupies […]

Q.41 Which one or more of the following statements is/are correct in the processing ofpre–mRNA in eukaryotes?(A)3′ → 5′ exonuclease activity is involved in the conversion of pre–mRNA to mRNA.(B) 5′– capping […]

Q.40 Which one or more of the following statements correctly describe(s)fluorescence spectroscopy?(A) The emission maxima (λmax) is independent of the excitation wavelength.(B) The emission maxima (λmax) depends on the concentration […]

Q.39 Which one or more of the following statements is/are correct regarding the transportand retention of proteins in different cell organelles?(A) Mannose 6–phosphate residues are involved in targeting proteins to […]

Q.38 Which one or more of the following statements is/are correct regarding theelectromotive force generated by electron transfer chain?(A) It is used for the synthesis of ATP.(B) It is not […]

Q.37 Which one of the following is the correct match between the molecular properties listed in Column I and the corresponding biochemical separation methods in Column II? Column I Column […]

Q.36 Metabolic intermediates provide the backbone for the synthesis of amino acids. Match the metabolic intermediates listed in Column I with their corresponding amino acids given in Column II. Column […]