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【多选题】
迈克尔·波特（1947～）在其相继出版的系列著作中，提出了国家竞争优势理论。他的三部曲著作为：（ ）A.
《竞争战略》
B.
《竞争优势》
C.
《国家竞争优势》
D.
《政治经济学及其赋税原理》
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皮皮学刷刷变学霸
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【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
【单选题】Despite these slight differences in operation, cilia and flagella share a similar internal structure. The microtubules in both cilia and flagella are arranged in an elaborate and distinctive pattern. ...
A.
7
B.
9
C.
11
D.
13
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