The drug taxol acts to A: block microtubule assembly B: stabilizes microtubule against depolymerization. C: promote cell division D: sever microtubules

The nucleation of microtubules in vivo occurs in association with a variety of MTOCs (microtubule organizing centers) in animal cells.

神经元的轴突不含（ ） A: microtubule B: Nissl body C: mitochondrion D: microfilament E: neurofilament

Neurons<br/>conduct nerve impulses through:() A: microtubule B: axolemma C: endoneurium D: synaptic vesicle E: perineurium

which of the following belong to cytoskeleton?( ) A: Microtubule B: Microfilament/actin<br/>filament C: Intermediate<br/>filament D: Karyoskeleton/nuclear<br/>matrix

细胞伪足形成的本质是 A: plasmamembrane迅速扩张是细胞局部伸长 B: 胞内microtubule迅速解聚使细胞变形 C: 胞内microfilament迅速重组装使细胞变形 D: 胞内intermediatefilament重聚合使细胞变形