Category: GATE Biotechnology Previous Year Papers with Solutions

The purification data for an enzyme is given below: Step Process Volume (ml) Total protein (mg) Total activity (Units) Specific activity (Units/mg) P Cell-free extract 17 177 102 0.58 Q […]

In a muscle, the extracellular and intracellular concentrations of Na+ are 150 mM and 12 mM, and those of K+ are 2.7 mM and 140 mM, respectively. Assume that the […]

In a muscle, the extracellular and intracellular concentrations of Na+ are 150 mM and 12 mM, and those of K+ are 2.7 mM and 140 mM, respectively. Assume that the […]

Q.47 A bacterial culture (200 μl containing 1.8 × 109 cells) was treated with an antibiotic Z (50 μg per ml) for 4 h at 37°C. After this treatment, the […]

Q.46 An enzymatic reaction is described by the following rate expression: v = vmS km + S + S2 / ks   Which one of the following curves represents this […]

Q.45 Consider the data set 14, 18, 14, 14, 10, 29, 33, 31, 25. If you add 20 to each of the values, then (A) both mean and variance change […]

Q.44 Match the vitamins in Group I with the processes/reactions in Group II. Group I                                […]

Q.43 Match the high energy compounds in Group I with the biosynthetic pathways for the molecules in Group II. Group I                    […]

Q.42 Match the entries in Group I with the methods of sterilization in Group II. Group I                            […]

Q.41 Match the organisms in Group I with the entries in Group II. Group I                                […]