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Ch 4. section 3 vocabulary
Cell division definitions
8
Science
7th Grade
03/18/2011

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Term
Cell Cylce
Definition
The life cylce of a cell; in eukaryotes it consists of chromosome duplication, mitosis, and cytokenisis.
Term
Chromosome
Definition
A coiled structure of DNA and protein that forms in the cell nucleus during cell division
Term
Binary Fission
Definition
The simple cell division in which one cell splits into two; used by bacteria
Term
Homologous Chromosome
Definition
Chromosomes with matching information
Term
Chromatids
Definition
Identical chromosome copies
Term
Centromere
Definition
The region that holds chromatids together when a chromosome is duplicated
Term
mitosis
Definition
nuclear division in eukaryotic cellsin which each cell recieves copy of the original chromosomes
Term
Cytokinesis
Definition

The process in which cytoplasm divides after mitosis

 

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