皮皮学，免费搜题
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【单选题】
电话调查是一种非常省力、省时的直接调查方法，但它的问题是A.
代表性差
B.
访问量少
C.
费用太大
D.
沟通不畅
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皮皮学刷刷变学霸
举一反三
【简答题】Basal bodies that organize the microtubules within cilia and flagella are believed to be derived from ( ).
【判断题】The microtubules and microfilaments of the cytoskeleton are dynamic polymers that are subject to shortening, lengthening, disassembly, and reassembly.
A.
正确
B.
错误
【单选题】The general functions of ( ) is to increase the stabiliy of microtubules and to promote microtubule assembly.
A.
MTOC
B.
MAP
C.
G-actin
D.
lamina
【简答题】简述地形图中符号按地图要素的分类。
【简答题】请将 “ 练习题讲义 ” 中的 “ 练习2 ” 部分各题的答案写下来。
【单选题】When a cell has differentiated into a specialized cell type, the dynamic instability of its microtubules is often ___________ by proteins that bind to the ends or the sides of the microtubules and pro...
A.
augmented
B.
balanced
C.
suppressed
D.
promoted
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