Blog

Q55.Allosterically regulated enzymes are: (1) Oligomeric proteins(2) Possess regulatory and catalytic domains(3) Shows sigmoidal behavior(4) Both 2 and 3 Allosterically regulated enzymes are defined by their unique structural and kinetic […]

Q54.Which of the following is not a possible catabolic fate of pyruvate? (1) Lactic acid fermentation(2) Citric acid cycle(3) Ethanol fermentation(4) Glycolysis Pyruvate, the end product of glycolysis, has several […]

Q53._____ enzyme catalyzes conversion of fructose to fructose-6-phosphate requires _____ as cofactor. (1) Phosphofructokinase-I, Mg²⁺(2) Phosphofructokinase-II, Mg²⁺(3) Phosphofructokinase-I, Mn²⁺(4) Phosphofructokinase-II, Mn²⁺ Phosphofructokinase-1 (PFK-1) catalyzes fructose-6-phosphate → fructose-1,6-bisphosphate in glycolysis, requiring […]

Q52.Protein purification in 2-dimensional gel electrophoresis is based on: (1) Molecular weight(2) Charge(3) Number of subunits(4) Both 1 and 2 Protein purification in 2D gel electrophoresis relies on both molecular […]

Q51.Cells are small in size because: (1) It provides more surface area to volume ratio(2) It provides less surface area to volume ratio(3) Provides better regulation of cytoplasm by nucleus(4) […]

Q50.According to Bohr effect the oxygen transport ability of hemoglobin is more when (1) pH decreases(2) pH increases(3) pH remains stable(4) It is not affected by pH The Bohr effect […]

Q49.Dextrans are: (1) Polymeric glucose(2) Polymeric galactose(3) Polymeric fructose(4) Polymeric lactose Dextrans are bacterial polysaccharides composed of glucose monomers linked primarily by α-1,6 glycosidic bonds. The correct answer for Q49 […]

Q48.Ramachandran plot is: (1) Used for determination of stable protein structures(2) Also called as Φ–Ψ plot(3) Provide information about sterically favorable conformations(4) All of these Ramachandran plot visualizes allowed phi […]

Q47.CRISPR is (1) Clustered Regularly Interspaced Short Palindromic Repeats(2) Coordinated Regularly Interspaced Short Palindromic Repeats(3) Clustered Restrictive Interspaced Short Palindromic Regions(4) Coordinated Restrictive Interspaced Short Palindromic Repeats CRISPR stands for […]

Q46.Enzymes involved in RNA interference are: (1) Dicer(2) Cohesin(3) Bicoid(4) Maskin Dicer is the key enzyme directly involved in RNA interference (RNAi), processing double-stranded RNA into siRNA or miRNA for […]