本题目来源于试卷: Unity and Diversity A.5 Viruses，类别为 IB生物学
[单选题]
Viruses, compared to livingq5 ayn7:d6z8tj g)nt zc 9mj;z organisms, are ver bgwa2)pvsh+2 y small. Which other characteristic li)2gpbh2+a s wvsted below distinguishes viruses from unicellular living organisms?
A. Contain genetic material
B. Contain cytoplasm
C. Lack enzymes
D. Genetic material is surrounded by a capsid
参考答案: D
本题详细解析:
Choice D is correct because The structure of alluk/r*g;bz ll stp7po8vay4e38*gq8 m viruses includes the presence of a capsid, which surrounds the genetic material (Choice D). Both viruses and living ozy88k/ptl8lr * qpa4emsvg;g bu*37o rganisms contain genetic material (Choice A). Unicellular living organisms contain cytoplasm (Choice B). Some viruses lack enzymes, but not all viruses lack enzymes (Choice C).
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