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 describe:v20nlw tga ,as thshic21a7swnke.s 0ea2nds : 0e DNA and chromosomes of bacterial cells?
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 composed of DNcelo/3de,j4 tea5yz-ax ck(.A and is not associated with proteins (choice C). Choice A is incorrect because the DNA of prokar/ j.a ,oc c4 k3lda(te-xyee5zyotes 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.
| 
