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Regina Bailey

What is Prophase?

By October 25, 2008

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Onion cell in prophase.
© The Entangled Bank
Mitosis, a process of cell division, enables organisms to grow and reproduce. Dividing cells go through an ordered series of events called the cell cycle.

In the stage of mitosis called prophase, changes occur in both the cytoplasm and nucleus of the dividing cell. The chromatin condenses into discrete chromosomes. The chromosomes begin to migrate toward the cell center. The nuclear envelope breaks down and spindles form at opposite poles of the cell.

In animal cells, the mitotic spindle initially appears as structures called asters which surround each centriole pair.

Learn more about mitosis:


December 15, 2010 at 6:51 pm
(1) paola says:

LiKe HELOW can u make it simple for kid plz thx ♥♥☺☻♦♣♠◘○* lol ( laugh out loud )

January 8, 2012 at 11:18 pm
(2) lena says:

i kno rite!!! :)

March 19, 2012 at 10:56 am
(3) shanny says:

lol…fa real

February 25, 2013 at 3:40 pm
(4) angie says:

like look up stuff for kids then. don’t act immature

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