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 label or4izha q:73mh05c0rwr hx)s led organel lej l4j- m/vntbqmjzu; i-1cy ;:/:mvles 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 p65l;s7qd,f3 pm hhhmr ointing to a mitochondrion. Choice A is incorrect as neither organelle has a single membrane. Choice B is incorrect as only mitochondriafh mm,6rld hqs3h5p;7 contain cristae, the nucleus does not. Choice D is incorrect as neither the nucleus or mitochondria contain starch grains.
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