本题目来源于试卷: Unity and Diversity A.5 Viruses，类别为 IB生物学
[单选题]
Which is characteristic w 6t zr(,ailu.q-t 5cx 6mr2yqof bot .xt hm)ck*y)th prokaryotes and viruses?
I. Contain genetic code
II. Rely on host cell for metabolism
III. Surrounded by cell wall
A. I only
B. I and II
C. II and III
D. I, II and III
参考答案: A
本题详细解析:
Choice A is correct because both prokaryotes and viruses contjs l3rx. jtif3gf ((h5jy/o)main a genetic code. Only viruses rely on a host cell for gjrijm(3tyj)s(5h o. l3 fx/f metabolism, and only prokaryotes have a cell wall (Choice B, Choice C, and Choice D).
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