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 statement provides evideaioghk; of,zxlj5e, .5s d0e,nce for e*gq s (gi8q mc6pfcb/ (i67vdthe endosymbiotic theory?
A. Phospholipids readily form bilayers.
B. Chloroplasts possess a double membrane.
C. RNA is self-replicating.
D. Mitochondria possess a single membrane.
参考答案: B
本题详细解析:
The endosymbiotic theory states that *gv8 /-bby 0ug:vsn zte9gq j:larger prokaryotes engulfed smaller prokaryotes, which were the ancestors of modern chloroplasts and mitochondria. The smaller prokaryotes were engulfed via endocytosis, so they have their original membrane as well as the membrane of the larger prokaryote. Choice B is correct.Choice A is incorrect because it provides evidence for the evolution of plasma membranes not endosymbiotic theory. Choice C is incorrect because it provides evidence for the mechanism of inheritance. Choice D is incorrect because mitochjz* egyb-::ngu/9 b 0gts8v qvondria have a double membrane.
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