Viruses
The temperate phage possesses a gene that codes for a repressor protein which makes the cell resistant to lysis initiated by

none of these
Both (a) and (b)
lytic infection by other viruses
the prophage

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Viruses
The oncogene theory refers to

how viruses replicate in host cells
how chemicals inactivate viruses when applied
how viruses transform normal cells into tumor cells
none of these

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Viruses
The function of a viral capsid is

providing binding sites that enable the virus to attach to specific receptor sites on the host cell
serving as a vehicle of transmission from one host to another
protection against the viral genome from physical and enzymatic destruction
All of these

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