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Q.34 A mixture of four proteins of pIs 11, 7, 5 and 3 are loaded on a DEAE anion-exchange column equilibrated with low ionic strength buffer of pH 8. Which […]

Q.33 In humans, the largest energy reserve is Options: (A) liver glycogen (B) muscle glycogen (C) blood glucose (D) adipose tissue triacylglycerol Human energy homeostasis maintains reserves for varying durations: […]

Q.32 Cyanide poisoning is due to its direct inhibition of Options: (A) Electron transport chain (B) Fatty acid biosynthesis (C) Fatty acid oxidation (D) Nucleic acid biosynthesis Cyanide (CN⁻) represents […]

Q.31 The polarity of water molecule is due to Options: (A) its tetrahedral structure (B) bonding electrons being attracted more to oxygen (C) bonding electrons being attracted more to hydrogen […]

Q.30 Horseradish peroxidase and alkaline phosphatase are the two enzymes commonly utilized as reagents in ELISA, because these enzymes Options: (A) are colored proteins (B) are very small (C) have […]

Q.29 Cytochrome C is normally found in the inner mitochondrial membrane. It is released into the cytoplasm during Options: (A) Apoptosis (B) Necrosis (C) Cell differentiation (D) Cell proliferation Cytochrome […]

Q.28 Which one of the following enzymes fixes CO2 into organic form? Options: (A) Ribulose 5-phosphate kinase (B) Ribulose 1,5-bisphosphate carboxylase (C) Pyruvate dehydrogenase (D) Carbonic anhydrase CO2 fixation represents […]

Q.27 The activation of the complement components occurs via three distinct pathways. Which of the following component(s) is specific to the Alternate Pathway? Options: (A) Factor B and D (B) […]

Q.26 Which one of the following DOES NOT inhibit protein biosynthesis? Options: (A) Puromycin (B) Chloramphenicol (C) Cycloheximide (D) Oligomycin Protein biosynthesis inhibitors target translation at ribosomes, crucial for antibiotic […]

Consider the reaction (CH3)(C2H5)(C6H5)C–Br+  KOH (aq)→ (CH3)(C2H5)(C6H5)C–OH Q.25 If the concentration of KOH in the reaction mixture is doubled, the rate of the reaction will be Options: (A) decreased to […]