Phases of Mitosis

Phases of Mitosis
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Cell Division Lesson Plans

Cell Division

By Oliver Smith

Cell division is the process by which cells can make more cells. It only allows organisms to become more complex, it also allows organisms to replace cells and repair tissue. Mitosis and meiosis are two different processes of cell division. Mitosis is the process by which a cell creates identical copies. In these cells, the DNA is exactly alike. Meiosis is the process by which a cell divides into two, non identical, cells, meaning the DNA is not the same. Deoxyribonucleic acid, or DNA, provides instructions to produce many different types of proteins needed to make structures within living things.

Cell Division

Storyboard Description

Mitosis Activities: What are the stages of Mitosis? Have students storyboard out the different stages for visual learning.

Storyboard Text

  • Chromosomes condense and spindle fibers start to form.
  • The nuclear envelope starts to break down and the chromosomes finish condensing. The spindle fibers start to attach to the chromosomes.
  • All the spindle fibers have been attached to the chromosomes. The chromosomes are lined up along the center of the cell, at a point known as the metaphase plate.
  • The cell elongates as the sister chromatids are pulled apart by the spindle fibers.
  • Two new nuclei form and the spindle fibers break down.
  • The cells pinch in the middle and split to form two new separate cells.
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