問題詳情
13. Which one of following pathogens has no genetic materials?
(A) a prokaryote
(B)a viroid
(C)a plasmid
(D)a virus
(E) a prion
(A) a prokaryote
(B)a viroid
(C)a plasmid
(D)a virus
(E) a prion
參考答案
無參考答案
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