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Chapter 10 Cell Growth and Division
The Growth and Division of cells key terms
15
Biology
10th Grade
12/06/2012

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Term
Cell Division
Definition
The process by which a cell divides into two new daughter cells.
Term
Mitosis
Definition
The first stage, division of the cell nucleus.
Term
Cytokinesis
Definition
The second stage, division of the cytoplasm.
Term
Chromatid
Definition
One of two identical "sister" parts of a duplicated chromosome.
Term
Centromeres
Definition
Area where the chromatids of a chromosome are attached.
Term
Interphase
Definition
Period of the cell cycle between cell divisions.
Term
Cell Cycle
Definition
Series of events that cells go through as they grow and divide.
Term
Prophase
Definition
First and longest stage of mitosis, during which the chromosomes become visible and the centrioles separate and take up positions on the opposite sides of the nucleus.
Term
Centriole
Definition
One of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope.
Term
Spindle
Definition
Fan-like microtubule structure that helps separate the chromosome during mitosis.
Term
Metaphase
Definition
Second phase of mitosis, during which the chromosomes line up across the center of the cell.
Term
Anaphase
Definition
The third phase of mitosis, during which the chromosome pairs separate and move toward opposite poles.
Term
Telophase
Definition
Fourth and final phase of mitosis, during which the chromosomes begin to disperse into a tangle of dense material.
Term
cyclin
Definition
One of a family of closely related proteins that regulate he cell cycle in eukaryotic cells.
Term
Cancer
Definition
Disorder in which some of the body's own cells lose the ability to control growth
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