Cell Division - Research Article from Macmillan Science Library: Animal Sciences

This encyclopedia article consists of approximately 3 pages of information about Cell Division.
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Mitosis

Mitosis is the process of cellular division that produces identical daughter cells from one mother cell. In single-cell organisms like protists, mitosis produces two whole organisms. In multicellular organisms, mitosis is the process by which the animal grows and repairs its tissues.

There are five steps in mitosis.

  1. Prophase. The shape of the DNA changes. Other changes take place in the cytoplasm.
  2. Prometaphase. Chromosomes start to move because microtubules are attaching to them.
  3. Metaphase. Chromosomes line up in the middle of the cell, pulled there by microtubules. Sister chromatids line up on each side of the metaphase plate. This can be compared to putting one left shoe on one side of the plate and one right shoe on the other side of the plate.
  4. Anaphase. Pairs of sister chromatids split and are pulled to opposite sides of the cell by the microtubules. This is like putting the...

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This section contains 871 words
(approx. 3 pages at 300 words per page)
Buy the Cell Division Encyclopedia Article
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Macmillan Science Library: Animal Sciences
Cell Division from Macmillan Science Library: Animal Sciences. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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