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50. The interatction energy E between two spherical particles is plotted as a function of the distance (r)between them. When r<a, where a is the constant, the net force between […]

49. A zero-order liquid phase reaction A → B is being carried out in a batch reactor with k = 10−3 mol/min. If the starting concentration of A is 0.1 […]

48. Growth of a microbe in a test tube is modeled as dX/dt = rX (1 − X/K), where X is the biomass, r is the growth rate and K […]

47. For the probability density P(x) = 0.5 e−0.5x the integral ∫0∞ P(x) dx = __________. Probability density functions (PDFs) must integrate to 1 over their allowable range. This question […]

46. If the chemical composition of proteins in an organism is CH1.5O0.3N0.3S0.004, the mass percentage ofcarbon in the proteins is __________. Proteins with the empirical formula CH₁.₅O₀.₃N₀.₃S₀.₀₀₄ contain approximately 53% […]

45. A pedigree of an inheritable disease is shown below. This inheritable disease is(a) X–linked dominant (b) X–linked recessive or Y–linked(c) Only Y–linked (d) Only X–linked recessive Introduction Pedigree charts […]

44. Which one of the following CANNOT be a recognition sequence for a Type II restriction enzyme?(a) GAATTC (b) AGCT(c) GCGGCCGC (d) ATGCCT Type II restriction enzymes recognize specific palindromic […]

43. Shown below is a plasmid vector (P) and an insert (Q). The insert was cloned into the BamHI site ofthe vector. The recombinant plasmid was isolated and digested with […]

42. A recombinant protein is to be expressed under the control of the lac promoter and operator in astrain of E. coli having the genotype lacI+ crp+. Even in the […]

41. The genome is diploid at the end of which phases of a human mitotic cell cycle?(a) G2 & S (b) G1 & M(c) M & S (d) G1 & […]