The most obvious difference between interphase ... cells. The breakdown of the nuclear membrane is an essential step for spindle assembly. Because the centrosomes are located outside the nucleus ...

Interphase is the period ... Two pair of centrioles lie just outside the nucleus, next to each other. A centriole is a cylindrical structure within the cell that plays a part in cell reproduction.

(A) Ran shuttles across the NE, with about 95% in the nucleus ... around the cell, both inside and outside the NE. How does Ran GTPase control both protein import during interphase and spindle ...