Is the viral capsid made from a single protein strung together or an assembly of smaller proteins? One can get a better handle of this question by rephrasing, "If the capsid is made from a single protein, how much DNA would this require and could this amount of DNA fit into a typical capsid volume?" 

(a) Assuming a viral capsid of radius 20 nm, estimate the volume of DNA needed to encode this protein. 

(b) Can this amount fit inside the capsid?

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Research saysmost viral capsids are made by groups of small proteins a ... View the full answer