The appearance that the spindle and sister chromatids are inactive at metaphase is misleading because
A)the sister chromatids are completing replication at numerous replicons.
B)the sister chromatids are signaling reformation of the nuclear envelope.
C)each sister chromatid is assembling a kinetochore.
D)each sister chromatid is being pulled toward its respective pole.
E)the sister chromatids are decondensing.

Question

Quizplus · Accepted Answer

During metaphase, the sister chromatids are aligned at the metaphase plate and are being pulled toward opposite poles by the spindle fibers, which are attached to the kinetochores on each chromatid. This tension is what keeps them in place until anaphase begins.

The Appearance That the Spindle and Sister Chromatids Are Inactive