Unformatted text preview: the host cell and put to use by the virus. Some virions carry a few preformed enzymes into the cell as they enter. Other viruses do not contain any preformed enzymes, only the genes for making them. GENERAL GOALS OF ANIMAL VIRUSES 1. Early a. Destroy host cell DNA and take over control of the cell b. Transcription and/or translation of viral enzymes needed for multiplication of the viral nucleic acid c. Make many copies of the viral GENOME (RNA or DNA) 2. Late a. Make mRNA for viral PROTEINS and synthesize these proteins (for capsid, etc.) b. Assemble new virions--anywhere from several thousand to a million...
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- Fall '09
- viral proteins, B. Transcription, nucleic acid. Enzymes