Tag: GATE Life Science Previous Year Papers with Solutions

Q.33 Molar absorption spectra labeled (i), (ii) and (iii) for three different amino acids are shown below. Which one of the following is the correct combination of spectral assignments? (A) […]

Q.32 Cellulose serves as a structural polymer whereas starch does not. This is because cellulose contains (A) 𝛽1 → 4 linked glucose monomers and inter-chain hydrogen bonds (B) 𝛽1 → […]

Q.31 Amino acid residues predominantly involved in protein-DNA interactions are (A) alanines (B) negatively charged (C) prolines (D) positively charged The correct answer is: (D) positively charged amino acid residues are predominantly […]

Q.30 Gel filtration profile and corresponding activity data for a pure enzyme are shown in the figure below. The same enzyme sample on SDS-PAGE runs as a 30 kDa polypeptide. […]

Q.29 Inter-conversion of UDP-glucose and UDP-galactose is catalyzed by (A) an oxidase (B) a kinase (C) an epimerase (D) a mutase The inter-conversion of UDP-glucose and UDP-galactose is catalyzed by an […]

Q.28 Hydrolysis of a peptide involves cleavage of the bond between the atoms (A) N and C𝛼 (B) C and O (C) C𝛼 and C (D) N and C Hydrolysis […]

Q. 27 Phosphoglucose isomerase was incubated with 0.2 M of glucose 6-phosphate. On reaching equilibrium, 𝟓𝟓% of glucose 6 -phosphate was converted to fructose 6 -phosphate. The equilibrium constant for […]

Q.26 Heterologous expression of green fluorescent protein is possible because the genetic code is (A) universal (B) triplet (C) degenerate (D) non-overlapping The correct answer is (A) universal. The green fluorescent […]

Q.25 For propene at 298 K, the molar enthalpy of hydrogenation is −124.27 kJ mol−1 and the standard enthalpy of formation is 20.42 kJ mol−1. For propane at 298 K, […]

Q.24 For a weak acid at 298 K, the molar conductivities (in ohm−1 m2 mol−1), at infinite dilution and 0.04 mol dm−3 are 4.3 × 10−3 and 1.0 × 10−3, […]