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]
What do the two labelled org 5u2v2bk 3njnb47u eypanel o gtgmr)58gsob ;mo) qo3rj6:ai os*+les have in common?
A. They are surrounded by a single membrane
B. They contain cristae
C. They are surrounded by a double membrane
D. They contain starch grains
参考答案: C
本题详细解析:
X is pointing to the nucleus and Y is ow94enm/6hp*w df *eyhhb e76pointing to a mitochondrion. Choice A is incorrect as neither organelle has a single membrane. Choice B is incorrect as only mitochondria contain cristae, the nucleus does not. Choice D is incorrect as neither the nucleus or mitochondria contain starch gra49e *e/hp e*7ofbmnhwhd6 6wyins.
| 
