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Select the correct set of statements for...

Select the correct set of statements for the virus first crytallised by Stanley. (a) It has either single or double standard DNA as its genetic material (b) Subunits of their protein coat are arranged helically (c) It is an obligate plant parasite. (d) First discovered by M.W. Beijerinck

A

only (b) and (c)

B

only (a) and (b)

C

All except (d)

D

All (a),(b),© and (d)

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