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25. At what pH does poly-Glu in an aqueous solution form α-helical structure? (A) 3 (B) 7 (C) 9 (D) 12 At What pH Does Poly-Glutamate (Poly-Glu) Form an α-Helical […]

24. The glycosidic linkages in cellulose and amylose are , respectively. (A) α 1-4 and β 1-4 (B) β 1-4 and α 1-4 (C) β 1-4 and α 1-6 (D) […]

23. In ‘Futile Cycle’ chemical energy is dissipated as heat due to two opposite biochemical reactions. Which of the following biochemical reaction(s) is/are a part of ‘Futile Cycle’? (A) Glucose […]

22. Which of the following metabolite(s) accumulate(s) in the blood of a human adult consuming a ketogenic diet? (A) D-β-hydroxybutyrate (B) Acetoacetate (C) Pyruvate (D) Oxaloacetate Which Metabolites Accumulate in […]

21. The standard free energy change (ΔG°) of the binding reaction between different sweet molecules and a common sweet taste receptor are given. Which amongst these molecules is the sweetest […]

20.The porphyrin ring (tetrapyrrole structure) is NOT found in functional (A) chlorophyll (B) hemoglobin (C) hemocyanin (D) leghemoglobin Porphyrin Ring (Tetrapyrrole Structure) Is NOT Found in Which Functional Molecule? Correct […]

19. An enzyme follows simple Michaelis-Menten kinetics with KM = 5 μM. The substrate concentration at which initial velocity is 10% of Vmax is __________ μM (rounded off to two […]

18. One molecule of the protein myoglobin contains one atom of iron. A myoglobin sample was found to contain 0.34% iron. The molecular weight of myoglobin is __________ g mol⁻¹ […]

17. RNA is a polymer of (A) glycosides (B) ribonucleosides (C) ribonucleotides (D) riboses RNA is a Polymer of Ribonucleotides Correct Answer Correct Option: (C) Ribonucleotides Introduction Ribonucleic acid (RNA) […]

16. The most abundant type of RNA in a metabolically active mammalian cell is (A) mRNA (B) rRNA (C) snoRNA (D) tRNA The Most Abundant RNA in a Metabolically Active […]