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Mitosis
Description of steps
9
Biology
7th Grade
10/25/2007

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Term
Interphase
Definition
The nucleus can be clearly seen but the chromosomes aren't yet apparent. Nucleolus is apparent. Longest phase of the cell cycle. Made up of G1, S1, and G2.
Term
Prophase
Definition
Chromosomes become fully visible. The nucleolus and the nuclear membrane disappear. Centrioles appear and move to the poles of the cell. Spindle fibers begin to form.
Term
Metaphase
Definition

Double stranded chromosomes line up across the center of the cell. Spindle fibers attatch to chromosomes at the centromere.

Term
Anaphase
Definition
chromosomes seperate at the centromere. The are pulled towards the opposite ends of the cell while being pulled by the spindle.
Term
Telophase
Definition

Final stage of mitosis. Centrioles and spindle begin to disappear. Chromosomes stretch out and become harder to see. Nuclear membrane forms around each new set of chromososmes. Nucleolus reappears.

Term
Cell Plate
Definition
Structure that forms between the new chromosomes of plant cells during telophase and forms a new cell wall for each cell.
Term
Clevage
Definition
The pinching in of a cell that occurs during cytokinesis.
Term
Cytokinesis
Definition
The division of the cytoplasm.
Term
Daughter Cells
Definition
Two cells formed as a result of cytokinesis. They are IDENTICAL copies of the parent cell.
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