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 organelles 9vs)llmax pkqdy*9 c1 f -1qy:have in common? ovb ze4 z dq)tj8)6zj-
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 pointing to a mitochondrion. Choq ywyv90+w+ zjo zh35tice A is incorrect as neither organelle has a single membrane. Choice B is incorrect jytv5o03 z+ww qz+h9yas only mitochondria contain cristae, the nucleus does not. Choice D is incorrect as neither the nucleus or mitochondria contain starch grains.
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