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Q.3 Signaling pathways usually comprise of several intermediate steps that are arranged in the form of acascade. What is the primary outcome of such an arrangement?(A) Specificity of signal transduction(B) […]

Q.2 Identify the statement that is TRUE of operons.(A) Fine regulation of the expression of individual genes are made possible by operons(B) Only genes involved in carbohydrate metabolism are present […]

Q.1 Which one of the following most accurately describes the process of natural selection?(A) Selection of one species over a competing species(B) Selection of individuals that successfully defend themselves against […]

Q.60 The number of optically inactive geometrical isomers of [Pt(NH3)2(py)2Cl2]2+ is _____ . (where, ‘py’ is pyridine)   The complex [Pt(NH3)2(py)2Cl2]2+[Pt(NH3)2(py)2Cl2]2+ has 3 optically inactive geometrical isomers (and 2 optically active ones, giving 5 […]

Q.59 At constant pressure, 200 g of water was heated from 10 °C to 22 °C. The molar heat capacity of H2O at constant pressure is 75.3 J K−1 mol−1. […]

Q.58 A piece of charcoal, containing 36 grams of Carbon, found in ancient ruins shows a 14C activity of 300 decays/min. The tree, from which this charcoal came, has been […]

Q.57 A copper wire having a cross sectional area of 6.62 × 10−6 m2 carries a current of 20 A. Assuming that each atom contributes one free electron to the […]

Q.56 If [x] denotes the greatest integer valued function (e.g., [1.16] = 1 & [1.8] = 1) and L = ∫13 [x² + 1]/[x+1] dx, then ____=L degrees. Problem Statement […]

Q.55 The right limit limx→3⁺ [log((x-3)) + csc³((x-3)) + (x-3)²] is _____ . Introduction This article explains step by step how to evaluate the right limit of the function (x−3)²(log(x−3)+csc((x−3)²)) […]

Q.54 A 50-amino acid residue stretch of a globular protein adopts an extended structure containing a true α-helix of 24 residues and β-strand of 26 residues. The total length of […]