37. The host range of a virus is determined by
(A) the proteins on its surface and that of the host
(B) whether its nucleic acid is DNA or RNA
(C) the proteins in the host's cytoplasm
(D) the enzymes produced by the virus before it infects the cell
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統計: A(3), B(0), C(0), D(2), E(0) #2765600
統計: A(3), B(0), C(0), D(2), E(0) #2765600