Viruses
Which of the following is an example of rod-shaped viruses having their capsomeres arranged helically and not in the stacked ring?

Bateriophage T2
Bateriophage T4
Bateriophage M13
Bateriophage MV-L2

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Viruses
The function of a viral capsid is

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

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