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Q.14 Of the two diploid species, species I has 36 chromosomes and species II has 28 chromosomes. How many chromosomes would be found in an allotriploid individual? (A) 42 or […]

Q.13 The catalytic efficiency for an enzyme is defined as kcat Vmax / kcat kcat / Km kcat / Vmax Catalytic efficiency measures how effectively an enzyme turns substrate into […]

Q.12 Which one of the following is an ABC transporter? (A)multidrug resistance protein (B) acetylcholine receptor (C)bacteriorhodopsin (D) ATP synthase The correct answer to the multiple-choice question is (A) multidrug resistance […]

Q.11 Phylum proteobacteria is subdivided into α-, β-, γ-, δ- and ε-proteobacteria based on (A) G+C content (B) 23S rRNA sequences (C) tRNA sequences (D) 16S rRNA sequences Phylum Proteobacteria […]

Q.10 In nature, the horizontal gene transfer across bacteria is mediated by (A) gene cloning followed by transformation (B)conjugation and transformation (C) conjugation only (D) transformation only Horizontal gene transfer […]

Q.10 In nature, the horizontal gene transfer across bacteria is mediated by (A) gene cloning followed by transformation (B)conjugation and transformation (C) conjugation only (D) transformation only Bacterial HGT Mechanisms: […]

Q.9 The nucleotide analogue used in DNA sequencing by chain termination method is (A) 1′,3′-dideoxy nucleoside triphosphate (B) 2′,3′-dideoxy nucleoside triphosphate (C) 2′,4′-dideoxy nucleoside triphosphate (D) 2′,5′-dideoxy nucleoside triphosphate Sanger […]

Q.7 Endogenous antigens are presented on to the cell surface along with (A) MHC-II (B) MHC-I (C) Fcγreceptor (D) complement receptor Endogenous antigens from intracellular sources like viruses or self-proteins […]

Q.6 The role of an adjuvant isto (A) prolong the persistence of antigen (B) cross link the antigen (C) increase the size of antigen (D) avoid inflammation Adjuvants enhance vaccine […]