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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 […]

Q.5 Which one of the following aminoacids in proteins does NOT undergo phosphorylation? (A) Ser (B) Thr (C) Pro (D) Tyr Standard protein phosphorylation targets three key amino acids with […]

Q.4 The first humanized monoclonal antibody approved for the treatment of breast canceris (A) Rituximab (B) Cetuximab (C) Bevacizumab (D) Herceptin Herceptin (trastuzumab) marked history as the first humanized monoclonal […]

Q.3 Protein A, which has strong affinity to Fc region of immunoglobulin, is extracted from (A)Saccharomyces cerevisiae (B)Staphylococcus aureus (C)Streptococcus pyogenes (D)Streptococcus sanguis Protein A, renowned for its high-affinity binding […]

Q.2 Which one of the following modifications is common toboth protein and DNA? (A) SUMOylation (B) Nitrosylation (C)Methylation (D) Ubiquitination Methylation stands out as the common modification linking proteins and […]

Q.1 Under alkaline conditions, DNA is more stable than RNA because (A) RNA forms secondary structures (B) RNA is a single stranded molecule (C)RNA has uracil in place of thymidine […]