Viruses May Cause Cancer in These Three Typical Ways

Viruses may cause cancer in these three typical ways:
__X__ Some viruses encode an oncogene in their genome.__X__ A viral genome may integrate into the host chromosome, disrupting a cell cycle gene.__X__ Some viral proteins interact with cell cycle regulatory proteins._____ Viral infection provides large amounts of nutrients, encouraging the cell to divide and proliferate._____ All viruses promote host cell proliferation, as a way to spread more virus._____ Cell proliferation is an adaptive response of the host to any viral infection, to outgrow the virus._____ When a DNAvirus brings extra DNA into the host cell, that signals that S phase is complete.

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