Q. What does a viral DNA becomes after being associated with the bacterial chromosome?

View solution

Q. In which of the following method, the viral particles are transmitted through lysis of cell?

View solution

Q. epressor protein makes the cell resistant to lysis.

View solution

Q. Which of the following is the characteristic of repressor protein?

View solution

Q. cro gene is an example of immunity repressor.

View solution

Q. Which of the following gene codes for an enzyme which directs the insertion of the phage DNA into the bacterial chromosome?

View solution

Q. Which of the following phage do not cause lysogeny?

View solution

Q. The protein integrase is encoded by which of the following gene?

View solution

Q. In which of the following phage prophage exists as a circular form?

View solution

Q. From which of the following animal was the material isolated which was used for the vaccination for the first time?

View solution

Q. Vaccination was invented by ____________

View solution

Q. Causative agent of tobacco mosaic disease was filterable.

View solution

Q. Yellow fever virus can be attenuated by serial passage on cultures of ________________________

View solution

Q. Effective poliomyelitis vaccines were developed by culturing the virus of poliomyelitis on the kidney cells of which animal?

View solution

Q. For which viral disease, vaccine has been recently developed through the use of tissue culture?

View solution

Q. Rubella vaccines contain viruses are isolated only in African green monkey cells.

View solution

Q. Translation of mRNA into proteins takes place in the ________________

View solution

Q. Which of the following symmetry is exhibited by rod-shaped viruses?

View solution

Q. The envelope surrounding the nucleocapsid of some animal viruses is made up of which of the following structures?

View solution

Q. Adenoviruses exhibit which of the following symmetry?

View solution