Unity and Diversity A.4 Cell Structure (id: 9625b0d86)

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 organellesrh1ch5p(8bs qw i 0isn,w. gif0z;(gl have in commo-d x6*b0v 7wid v(eudwn?

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. Choice A i :3zuj ,mlk7f:nb: bios incorrect as neither organelle has a single membrane. Choice B is incorrect as o ,jo mn:f :k:u7ilz3bbnly mitochondria contain cristae, the nucleus does not. Choice D is incorrect as neither the nucleus or mitochondria contain starch grains.

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