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 livinm rdmsgnn;493 g organisms, are very 8 ziw jg7w;x8bp.jx6 esmall. Which other characteristic listed below distinguishes viruses from unicellulaz 6wjxe;8b.87jpxwg ir 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 b 3i(*e cm+ 3hnctjnduy(lh-- fecause The structure of all viruses includes the presence of a capj+nu *(ht-(3i mhcf-3 deylncsid, which surrounds the genetic material (Choice D). Both viruses and living organisms 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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