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Q.58 The amount of biomass in a reactor at the end of the batch process is 50 g. Fed-batch operation is initiated by feeding the substrate solution at a constant […]

Q.57 Figure below depicts simplified metabolic and transport reactions taking place in the production of B from A in a cell. The subscript ‘i’ refers to intracellular metabolites. rj is […]

Q.56 For x₁ > 0 and x₂ > 0, the value of limx₁ → x₂ (x₁ − x₂) / [x₂ ln(x₁ / x₂)] is ___________. Problem Statement Evaluate the limit: […]

Q.55 Consider a random variable X with mean μX = 0.1 and variance σX² = 0.2. A new random variable Y = 2X + 1 is defined. The variance of […]

Q.54 Which of the following statement(s) regarding trafficking in eukaryotic cells is(are) CORRECT? (A) Dynamin binds GTP and is involved in vesicle budding (B) Dynamin is involved in cytoskeletal remodelling […]

Q.53 Introduction of foreign genes into plant cells can be carried out using (A) Agrobacterium (B) CaCl2 mediated plasmid uptake (C) Electroporation (D) Gene gun Foreign gene introduction into plant […]

Q.52 Emerging viruses such as SARS-CoV2 cause epidemics. Which of the following process(es) contribute to the rise of such viruses? (A) Mutation of existing virus (B) Jumping of existing virus […]

Q.51 Which of the following statement(s) is(are) CORRECT regarding the lac operon in E. coli when grown in the presence of glucose and lactose? (A) At low glucose level, the […]

Q.50 Which of the following plot(s) is(are) CORRECT for an enzyme that obeys Michaelis-Menten kinetics, assuming [𝑆] ≪ 𝐾m? [𝑆] is the concentration of the substrate, 𝐾m is the Michaelis […]

Q.49 Which of the following is(are) COMMON feature(s) for both aerobic and anaerobic bacterial cultures? (A) Glycolysis (B) NAD+ is the oxidising agent (C) Oxidative phosphorylation (D) Two net ATP […]