List of top Biotechnology Questions

Which of the following is NOT a challenge in gene therapy?
Southern blotting is used to detect
A key difference between Southern and Northern blotting is that Northern blotting
A major limitation of RAPD is
Which isotope is commonly used for radioactive DNA labelling?
Which promoter is commonly used for high-level expression in E. coli?
Which nucleotide lacks a \(3^{\prime}\)-OH group?
Which vector can carry the largest DNA inserts?
A major advantage of a cDNA library over a genomic library is that cDNA
Consider the following and choose the correct answer Assertion [A]: Type II restriction enzymes are preferred in recombinant DNA technology. Reason [R]: They cleave DNA at random sites far away from their recognition sequences. The correct answer is
Insertional inactivation is commonly used for screening recombinants in
Identify the cytokine which is primarily immunosuppressive?
Bacteriophage \(\lambda\) vectors can accommodate foreign DNA of about
Anaphylaxis is an example of
Somatic hypermutation mainly contributes to
Consider the following and choose the correct answer Assertion [A]: Monoclonal antibodies have higher specificity than polyclonal antibodies. Reason [R]: They recognize only one epitope on an antigen. The correct answer is
Which enzyme protects host DNA from restriction digestion?
Antibodies are synthesized by
Consider the following and choose the correct answer Assertion [A]: MHC Class I presents endogenous antigens to CD8\(^+\) T cells. Reason [R]: Endogenous peptides are generated in lysosomes. The correct answer is
Which cells constitutively express MHC class I molecules?
Which immunoglobulin is produced first during a primary immune response?
Which of the following is a component of innate immunity?
Which core genes are present in the T-DNA region of the Ti plasmid of Agrobacterium tumefaciens?
Animal cell lines are typically preserved long-term in liquid nitrogen at
Which chemical is commonly used to fuse B cells and myeloma cells?