Q. Reverse transcriptase is a useful enzyme to have when

View solution

Q. The sequence of nucleic acid in a variety of viruses and viral host, will find more similarities

View solution

Q. When a virus enters a cell but does not replicate immediately, the situation is called

View solution

Q. Usually viruses are separated into several large groups based primarily on

View solution

Q. The first step in infection of a host bacterial cells by a phage is

View solution

Q. Which of the following viruses has not been associated with human cancer?

View solution

Q. The viral nucleocapsid is the combination of

View solution

Q. Edward Jenner began inoculating humans with material from __________ lesions.

View solution

Q. The viruses in an attenuated vaccine

View solution

Q. Enveloped viruses have a __________ shape.

View solution

Q. The envelope of which of the following viruses is derived from the host cell nucleus?

View solution

Q. Which of the following is semi-continuous (diploid) cell line?

View solution

Q. Plant viruses may be cultivated in

View solution

Q. The oncogene theory refers to

View solution

Q. In cell culture, measles virus may lead to

View solution

Q. A change from lysogeny to lysis is generally induced by

View solution

Q. The viral DNA is removed from the host's chromosomes and the lytic cycle occurs. The process is called

View solution

Q. The lysogenic state is governed by the activity of the regulatory region of the lambda phage genomes; this region is termed as

View solution

Q. The capsomeres consist of a number of proteins subunits or molecules called

View solution

Q. In order for a virus to replicate

View solution