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【单选题】
Listeriais a bacteria parasite that has evolved unique ways to enter animal cells and then use actin polymerization for its intracellular movement. Which of the following statements is true in regards to Listeriaand actin polymerization?
A.
a. Listeria ActA protein binds and inactivates the Arp2/3 complex.
B.
b. Listeria ActA binds VASP, which enhances ATP-actin assembly.
C.
c. Cofilin is necessary to accelerate the assembly of the (−) end of the filament.
D.
d. CapZ promotes the elongation of the filament.
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A.
正确
B.
错误
【判断题】偏心夹紧机构通常因为结构简单,操作简便,所以得到了广泛的运用.除了在铣床上运用,在车床上也等到了充分的运用。
A.
正确
B.
错误
【判断题】偏心夹紧机构通常因为结构简单,操作简便,所以得到了广泛的运用.除了在铣床上运用,在车床上也等到了充分的运用。
A.
正确
B.
错误
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