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Ch. 11 Sec. 3
Cell Division
6
Science
7th Grade
10/23/2012

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Term
Define cell cycle.
Definition
The regular sequence of growth and division that cells undergo. During the cell cycle, a cell grows, prepares for division, and divides into two new cells.
Term
What is interphase?
Definition
First stage of the cell cycle, this is the phase in which the cell grows, makes a copy of its DNA, and PREPARES to divide into two cells.
Term
What is replication?
Definition
The cell makes an exact copy of the DNA in its nucleus.
Term
What is Mitosis?
Definition
The stage during which the cell's nucleus divides into two new nuclei. One copy of the DNA is distributed into each of the two daughter cells.
Term
Define chromosomes.
Definition
Double-rod structures.
Term
What is cytokinesis?
Definition
The final stage of the cell cycle, in which the cytoplasm divides. The two organelles are distributed into each of the two new cells.
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