Blog

Q.53 A culture of 106 bacteria, with doubling time of 60 min, is grown in a nutrient medium at 37 °C. Considering that the nutrients are unlimited, the number of […]

Q.52 In maize, the genes for colored seed and round seed are dominant over the genes for colorless seed and shrunken seed. Pure breeding strains of the double dominant variety […]

Q.51 The following polypeptide chain was sequentially treated with dithiothreitol, cyanogen bromide, and trypsin. Phe-Trp-Lys-Tyr-Met-Gly-Ala-Cys-Cys-Pro-Met-Asp-Gly-Arg-Phe-Ala-Gly-Trp The total number of fragments expected at the end of complete digestion of the polypeptide […]

Q.50 An enzyme catalyzes the conversion of 4 × 10−4 M substrate into product at a rateof 20 μM/min. If the Km value for the enzyme is 2 × 10−4 […]

Q.49 From the database of a clinic it was found that out of 2000 patients who had visitedthe clinic in a year, 900 had high BP, 900 had high Sugar […]

Q.48 The number of signals in 13C NMR for the following structure is _____ . The correct number of signals in the 1313C NMR spectrum of the given tricyclic cyclohexane system […]

Q.47 A jet plane lands on an aircraft carrier at 70 m/s and stops in 3 seconds. Assuming that the acceleration is constant, the jet plane travels a distance of […]

Q.46 In Young’s double slit experiment, the slits are separated by a distance of 0.05 mm and the source emits light of two wavelengths 450 and 520 nm. If the […]

Q.45 The plane x + y + z = 0 intersects the sphere x2 + y2 + z2 = 9 along a circle. If (2, y, z) is a point […]

Q.44 A receptor binds to its ligand with a dissociation constant Kd = 10−8 M. The concentration of the ligand required to occupy 10% of the receptors would be 10−x […]