Which of the following is not true for anaphase? (a) Golgi...

Which of the following is not true for anaphase?
(a) Golgi body and ER are reformed
(b) Spindle poles move further apart
(c) Chromosomes move to opposite poles
(d) Centromeres split and chromatids separate

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Key Concepts

Anaphase in Mitosis

Anaphase is a stage in mitosis where the critical event is the separation of sister chromatids following the splitting of centromeres. This process ensures that each resulting daughter cell will receive an identical set of chromosomes.

Chromatid Separation

During anaphase, the splitting of the centromeres allows the previously paired sister chromatids to separate and move independently toward opposite spindle poles, a key mechanism for equal genetic distribution.

Spindle Apparatus Dynamics

The spindle apparatus, composed of microtubules, plays a vital role in chromosome segregation. In anaphase, microtubules rapidly elongate, causing the spindle poles to move apart, which facilitates the physical separation of chromatids.

Organelle Reformation Timing

The reformation of cellular organelles, such as the Golgi apparatus and endoplasmic reticulum, typically occurs during telophase rather than anaphase. This distinction is important because it reflects the sequential steps of cellular reorganization during cell division.

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