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]
The electron micrograph xff b wn)jd9j0 osf6)9shows **6njs: (jxm:0ihuhryh ml6 k(cxn(z a prokaryotic cell, Cyclotella litoralis. What is z usxl:nx(*( m*yn( h0hck:i r 6jmj6hthe actual diameter of the cell in this image?
A. 3.5 cm
B. 350 µm
C. 3500 mm
D. 35 µm
参考答案: D
本题详细解析:
The diameter of the cell d t*:7x* eycghis the total length, along the widest part of the cell; 3.5 cm. The image length of the magnification bar is 1 cm, which is equivalent to 10 µyxdgc *7*:e thm. 3.5 multiplied by 10 is 35 µm. Choice D is correct.Choices A, B and C are incorrect.
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