Q.35 DNA in a 1 cm long chromatin contains 5 × 109 base pairs. The fold compactionof this DNA within the chromatin is _______ (in integer). The fold compaction of […]
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Accurate Molarity Calculation of an Oligonucleotide
Q.34 A lyophilized sample of 20 nanomoles of an oligonucleotide is dissolved in water and the volume of the solution is made up to 200 µL. The concentration (in µM) […]
Maximum Disulfide Bonds from Seven Cysteine Residues
Q.33 A protein has seven cysteine residues. The maximum number of disulfide bonds ofdifferent combinations that can possibly be formed by these seven cysteine residuesis _______ (in integer). The maximum […]
Phosphoinositide Signaling Cascade Second Messengers
Q.32 Which of the following molecules is/are second messenger(s) produced by thephosphoinositide signaling cascade?(A) Phosphatidylinositol 4,5–bisphosphate(B) Inositol 1,4,5–triphosphate(C) Inositol 1,3,5–triphosphate(D) Diacylglycerol In the phosphoinositide signaling cascade, the second messengers produced […]
Glycolysis vs Gluconeogenesis
Q.31 Given below are four reactions of the glycolytic pathway catalyzed by the enzymes E1, E2, E3, and E4, as indicated. Which of these enzymes is/are NOT part of the […]
Herd Immunity Explained
Q.30 In a population, the probability of a susceptible individual getting infected withSARS–CoV–2 is low when a majority of individuals in the population becomesimmune to this virus. This phenomenon is […]
Cell Fractionation Sedimentation Order
Q.29 When cell components are fractionated by sedimentation, the correct order (fromlower to higher gravitational force, g) in which the components get separated is_______.(A) nuclei, mitochondria, microsomes, and ribosomes(B) microsomes, […]
Palmitic Acid vs Glucose
Q.28 Determine the correctness or otherwise of the following Assertion [a] and theReason [r].Assertion [a]: On a per carbon basis, palmitic acid yields more ATP than glucose.Reason [r]: Carbons in […]
Standard Cell Potential and Equilibrium Constant
Q.27 E° = 1.10 V for the following cell reaction: Zn(s) + Cu2+(aq) ↔ Zn2+(aq) + Cu(s) For this reaction, the equilibrium constant is y × 1037 at 298 K. […]
Number of Radial Nodes for Valence Orbital
Q.26 The number of radial node(s) for the valence orbital of U(III) ion is _____ (ininteger).(Given: Atomic number of U is 92) Solution Overview Uranium (atomic number 92) has the […]


