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Q.25 Based on their function, find the ODD one out.(A) miRNA (B) siRNA (C) shRNA (D) snRNA snRNA is the odd one out because it functions in RNA splicing within […]

Q.24 Which one of the following statements is NOT true?(A) In competitive inhibition, substrate and inhibitor compete for the same active site of an enzyme(B) Addition of a large amount […]

Q.23 Which one of the following techniques relies on the spin angular momentum of a photon?(A) CD spectroscopy (B) Fluorescence spectroscopy(C) IR spectroscopy (D) Raman spectroscopy CD spectroscopy is the […]

Q.22 Which one of the following is NOT used for the measurement of cell viability in animal cellculture?(A) Trypan blue dye exclusion (B) Tetrazolium (MTT) assay(C) LDH activity in the […]

Q.21 Junctional diversity of antibody molecules results from(A) the addition of switch region nucleotides(B) the addition of N and P nucleotides(C) the joining of V, D and J segments(D) mutations […]

Q.20 Disaccharide molecules that contain β(1 → 4) glycosidic linkage are (A) sucrose and maltose (B) sucrose and isomaltose (C) maltose and isomaltose (D) lactose and cellobiose Answer: (D) lactose […]

Q.19 Cesium chloride density gradient centrifugation is commonly used for the separation of DNAmolecules. The buoyant density, ρ, of a double stranded Cs+ DNA is given by the equationρ = […]

Q.18 Which one of the following is NOT an algorithm for building phylogenetic trees?(A) Maximum parsimony (B) Neighbor joining(C) Maximum likelihood (D) Bootstrap Bootstrap is not an algorithm for building […]

Q.17 ATP biosynthesis takes place utilizing the H+ gradient in mitochondria and chloroplasts. Identifythe correct sites of H+ gradient formation.(A) Across the outer membrane of mitochondria and across the inner […]

Q.16 Which one of the following is NOT a therapeutic agent based on nucleic acid for the treatment ofgenetic disorders?(A) Antisense oligonucleotide (B) Ribozyme(C) Aptamer (D) Avidin Answer: (D) Avidin […]