Q. Who were the scientists who discovered the plasmid pBR322?

View solution

Q. Under relaxed conditions how many copies of plasmid are present in the cell?

View solution

Q. What is the length of the polylinker segment of plasmid?

View solution

Q. The full for of pUC is polylinker university cloning.

View solution

Q. The host bacterium takes up a plasmid in presence of ______________

View solution

Q. What is the temperature at which bacteria can takes up the plasmid?

View solution

Q. Which gene in the pUC18 vector confers antibiotic resistance to the transformed cells?

View solution

Q. What is the characteristic of lacZ gene of pUC18 vector among the following?

View solution

Q. Which one of the following is the first engineered plasmid vector?

View solution

Q. What is the expanded form of pBR in pBR322?

View solution

Q. What is incorrect about plasmid?

View solution

Q. The repressor for the β-galactosidase gene is encoded by ___________

View solution

Q. Transformation involves the uptake of _____________

View solution

Q. What is conjugation?

View solution

Q. What is transduction?

View solution

Q. In which year Frederic Griffith discovered transformation?

View solution

Q. During Frederick Griffith’s experiments what type of colonies were generated by the capsulated pneumococci?

View solution

Q. What is the function of the capsule of the bacterial cells?

View solution

Q. How many types of bacterial capsule are present for pneumococcus depending on the genotype of the cell?

View solution

Q. The genetic information is stored in DNA rather than protein.

View solution