本题目来源于试卷: Unity and Diversity A.4 Cell Structure，类别为 IB生物学
[单选题]
Which row correctly describes the DNA and chromosomesbr41n/(ck.bnqt d6 et s.g *fp of bacterial zvv ;ug75 si))1qwebp 4ua;ft f -1pvgcells?
A. Shape is Looped;DNA with proteins is Yes;Number of chromosomes is More than one
B. Shape is Linear;DNA with proteins is Yes;Number of chromosomes is More than one
C. Shape is Looped;DNA with proteins is No;Number of chromosomes is One
D. Shape is Linear;DNA with proteins is No;Number of chromosomes is One
参考答案: C
本题详细解析:
Eubacteria have a single chromosome that is composedgmer eg-6 h2f maci,3, of DNA and is not associated w 36iamcmee ,rf-gg2h ,ith proteins (choice C). Choice A is incorrect because the DNA of prokaryotes is not associated with proteins and because prokaryotes only have one chromosome. Choice B is incorrect because prokaryotes do not have linear DNA, their DNA is not associated with proteins and they do not have more than one chromosome. Choice D is incorrect because prokaryotic chromosomes are not linear.
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