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Q.58 The molecular mass of a protein is 22 kDa. The size of the cDNA (excluding the untranslated regions) that codes for this protein is _______ kb (rounded off to […]

Q.57 In pea plants, purple color of flowers is determined by the dominant allele while white color is determined by the recessive allele. A genetic cross between two purple flower-bearing […]

Q.56 The difference in concentrations of an uncharged solute between two compartments is 1.6-fold. The energy required for active transport of the solute across the membrane separating the two compartments […]

Q.55 A UV-visible spectrophotometer has a minimum detectable absorbance of 0.02. The minimum concentration of a protein sample that can be measured reliably in this instrument with a cuvette of […]

Q.54 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]Assertion [a]: It is possible to regenerate a whole plant from a single plant cell.Reason [r]: […]

Q.53 Which of the following statements is ALWAYS CORRECT about an ideal chemostat?P. Substrate concentration inside the chemostat is equal to that in the exit streamQ. Optimal dilution rate is […]

Q.52 Match the instruments in Group I with their corresponding measurements in Group II.   Group I                              […]

Q.51 Which one of the following statements is CORRECT about proportional controllers?(A) The initial change in control output signal is relatively slow(B) The initial corrective action is greater for larger […]

Q.50 Which of the following factors can influence the lag phase of a microbial culture in a batchfermentor?P. Inoculum sizeQ. Inoculum ageR. Medium composition(A) P and Q only (B) Q […]

Q.49 The Laplace transform of the function f(t) = t2 + 2t + 1 is (A) 1/s3 + 3/s2 + 1/s (B) 4/s3 + 4/s2 + 1/s (C) 2/s3 + […]