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佛教发展的四个时期及其特点
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皮皮学刷刷变学霸
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【简答题】Translate the following English into Chinese. Although the cytoskeleton provides some stability to cells, its microtubules and filaments and their associated proteins enable cells to move by creeping ...
【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
【单选题】Which of the following are characteristics common to all three cytoskeletal systems (microfilaments, microtubules and intermediate filaments)?
A.
are reorganized during mitosis.
B.
have attachment sites for motor proteins.
C.
are highly dynamic.
D.
possess inherent polarity.
【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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