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 […]
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 […]
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 […]
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, […]
![Q.28 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: On a per carbon basis, palmitic acid yields more ATP than glucose. Reason [r]: Carbons in palmitic acid are more reduced than those in glucose. (A) Both [a] and [r] are true and [r] is the correct reason for [a] (B) Both [a] and [r] are true but [r] is not the correct reason for [a] (C) [a] is true but [r] is false (D) [a] is false but [r] is true](https://www.letstalkacademy.com/wp-content/uploads/2025/12/slide_28-6.png)
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 […]
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. […]
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 […]
Q.25 Compound X gives alcohol P as the major product for the reaction shown below.Suitable option(s) for X is/are Introduction In this CSIR‑NET style Grignard reagent problem, compound X reacts […]
Q.24 According to Hard–Soft Acid–Base (HSAB) principle, the CORRECT option(s) forthe solubility trend in water is/are(A) AgF > AgCl > AgBr > AgI(B) LiBr > LiCl > LiF(C) AgF < […]
Q.23 Compounds P and Q undergo E2 elimination with reaction rate constants of k1 andk2, respectively, as shown below. Which is/are the CORRECT option(s)?(A) k1 > k2(B) k2 > k1(C) […]
