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Q.27 A recombinant protein is secreted extracellularly in soluble form by an E. coli culture. Which of the following downstream processes is/are involved in the purification of the extracellular secreted […]

Q.26 Which of the following compounds have the same degree of reduction per carbon-mole? (A) Glucose (B) Lactic acid (C) Acetic acid (D) Formic acid Glucose vs Lactic Acid vs […]

Q.25 Which of the following fluids exhibit(s) non-Newtonian behaviour at 25 C? (A) Toothpaste (B) Mercury (C) Brine (D) Blood plasma Understanding Non-Newtonian Fluids: Toothpaste, Mercury, Brine, and Blood Plasma […]

Q.24 Which of the following show(s) optical activity at 100 mM concentration in water? (A) Solution of NaCl (B) Solution of D-Glucose (C) Solution of Glycine (D) Solution of L-Proline […]

Q.23 Which of the following separation processes is/are based on molecular size? (A) Size-exclusion chromatography (B) Ion exchange chromatography (C) Membrane ultrafiltration (D) Ultracentrifugation Size-exclusion chromatography, membrane ultrafiltration, and ultracentrifugation […]

Q.22 Which of the following enzymes is/are involved in the biogenesis of miRNA? (A) Drosha (B) Cas9 (C) XRCC4 (D) Dicer Drosha and Dicer are key RNase III enzymes central […]

Q.21 Which of the following features is/are used to distinguish Archaea from Bacteria? (A) Gram-staining (B) Peptidoglycan in the cell wall (C) Presence of N-acetylglucosamine (D) 16S rRNA sequences Archaea […]

Q.20 Which one of the following hosts is used in mammalian cell culture for the production of glycosylated recombinant therapeutic proteins? (A) Pichia pastoris (B) Sf9 cells (C) Escherichia coli […]

Q.19 Correctly match the following Product classes with their representative Products. Product class                           Product P. Biofuel      […]

Q.18 Correctly match the following Monosaccharides with their respective Epimers. Monosaccharide                          Epimer P. D-mannose          […]