Category: GATE Biotechnology Previous Year Papers with Solutions

Q.60 If f(2) = 5 and (f(x))(f(x+1)) = 3 for all real values of x, the value of f(10) is ____________. Given: f(2) = 5 and f(x) · f(x+1) = […]

Q.59 If f(x) = (sin x + cos x) / (sin x − cos x), the value of f′(x) at x = 0 is ____________. Introduction Finding the derivative of […]

Q.57 A protein has three identical sites arranged at the vertices of an equilateral triangle. If one site is filled with a dye (donor), the measured quantum yield (ϕD) is […]

Q.56 If 1000 bp of a double-helical DNA weighs 1×10−18 gm and distance between two bp is 0.34 nm, the total amount of DNA (in mg, rounded off to one […]

Q.55 DNA sample collected from an unidentified bacterial species (Y) contains 13% ofadenine. The G+C content (in percentage) of Y is ___________. DNA from bacterial species Y contains 13% adenine […]

Q.54 An enzyme (E) catalyzes the biochemical reaction A → B with kcat equal to 500 s−1. If the initial reaction velocity (V0) is 10 μM.s−1 at the total enzyme […]

Q.53 The following schematic diagram shows a chemostat with cell recycle Where F0 and Fr are the volumetric flow rates (in L.h−1) of feed and recycle streams, respectively. X1, X0 […]

Q.52 The number of different possible ways of forming five intramolecular disulfidebonds with ten cysteine residues of a protein is ___________. Number of Ways to Form Five Intramolecular Disulfide Bonds […]

Q.51 If there are three unrooted trees for four protein sequences, the number of rootedtrees for the same number of sequences is ___________. Phylogenetic Trees for Four Protein Sequences For […]