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 of both prokaryotes t ht)3vxy4wctv7s*8gand viruse7j,4h bl:51cyq fnx 6velkt7x s?
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 contain a genetic colyxb2 h 4rxycjdb(vi )y6) q1/de. Only virusel(x/ r1h)bdyv bc jyyx2i4)6qs rely on a host cell for metabolism, and only prokaryotes have a cell wall (Choice B, Choice C, and Choice D).
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