1. The host range of a virus is determined by
(A) the enzymes carried by the virus.
(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.
(E) the proteins on its surface and that of the host.

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統計： A(0), B(0), C(0), D(0), E(2) #3792884

詳解 (共 1 筆)

#7686633

病毒的宿主範圍（Host range，指病毒能夠感染的生物種類或細胞類型）取決於病毒表面的蛋白（如衣殼蛋白或突起醣蛋白）與宿主細胞表面受體（Receptor）之間的專一性結合（類似「鑰匙與鎖」的配對關係）。唯有當病毒表面的蛋白能辨識並結合宿主細胞表面的受體，病毒才能成功吸附並進入細胞內。

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