Category: GATE Biotechnology Previous Year Papers with Solutions

Q.No. 54 An algorithm was designed to find globins in protein sequence databases. A database which has 78 globin sequences was searched using this algorithm. The algorithm retrieved 72 sequences […]

Q.53 The concentrations of ATP, ADP and inorganic phosphate in a cell are 2.59, 0.73and 2.72 mM, respectively. Under these conditions, free energy change for thesynthesis of ATP at 37 […]

Q.No. 52 Protein A and protein B form a covalent complex. Gel filtration chromatography of this complex showed a peak corresponding to 200 kDa. SDS-PAGE analysis of this complex, with […]

Q.No. 51 An infinite series S is given as: S = 1 + 2/3 + 3/9 + 4/27 + 5/81 + … (to infinity) The value of S is _____________ […]

Q.No. 50 A function f is given as: f(X) = 4X − X2 The function f is maximized when X is equal to _____________. Maximize Quadratic Function f(X) = 4X […]

Q.No. 49 Growth of an organism on glucose in a chemostat is characterized by Monod model with specific growth rate = 0.45 h-1 and Ks = 0.5 g/L. Biomass from […]

Q.No. 48 Assume that a cell culture was started with five human fibroblast cells. Two cells did not divide even once whereas the other three cells completed three rounds of […]

Q.47 The amino acid sequence of a peptide is Phe–Leu–lle–Met–Ser–Leu. The number ofcodons that encode the amino acids present in this peptide is given below:Phe: 2 codonsLeu: 6 codonslle: 3 […]

Q.No. 46 The system of linear equations: cx + y = 5 3x + 3y = 6 has no solution when c is equal to ____________________. The system of linear […]