Author: admin

Q60.Glucose sensors utilizes ______ as bioreceptor. (1) Glucose oxidase(2) Glucose kinase(3) Glucose dehydrogenase(4) Both 1 and 3 Glucose sensors rely on specific enzymes as bioreceptors to detect glucose levels accurately. […]

Q59.Formation of glycogen cannot be initiated in the absence of enzyme (1) Glucokinase(2) Glycogenin(3) Glycogen phosphorylase(4) Glycogen kinase Glycogen formation, or glycogenesis, requires a primer protein to start the process. […]

Q58.Mammals do not have ability to convert fatty acids to glucose because (1) They cannot undergo glyoxylate cycle(2) There is no need for such conversion(3) They can obtain glucose from […]

Q57.The unit of maximum specific growth rate (μmax) is: (1) Hours⁻¹(2) Hours(3) Hours/litre(4) Hours/cell The unit of maximum specific growth rate (μmax) is hours⁻¹. This is a standard concept in […]

Q56.Which of the following regulation occurs in slowest time frame? (1) Feedback regulation(2) Allosteric regulation(3) Regulation through covalent modification(4) Enzyme synthesis through gene induction Enzyme regulation time frames vary significantly, […]

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) […]