Q. Viruses require __________ for growth.

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Q. Reverse transcriptase is a useful enzyme to have when

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

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

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

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

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

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Q. The viral nucleocapsid is the combination of

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

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Q. The viruses in an attenuated vaccine

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Q. Enveloped viruses have a __________ shape.

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

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

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Q. Plant viruses may be cultivated in

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Q. The oncogene theory refers to

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Q. In cell culture, measles virus may lead to

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

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

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

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

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