Chapter 10 Cell Growth and Division
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Created by:
amdevlin on May 27, 2009
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Classes:
Holt biology Cheetah on cover - chapter vocab, Bio 393- Period 3, Bio 393- Period 4, Bio 393- Period 6, Bio 393- Period 7
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12 terms
Terms | Definitions |
|---|---|
 gene | A unit of heredity that consist of a segment of nucleic acid that codes for a functional unit of DNA |
| chromosome | In a eukaryotic cell, one or the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA |
| chromatin | The substance of which eukaryotic chromosomes are composed |
| histone | A type of protein molecule found in chromosomes of eukaryotic cells but not in prokaryotic cells |
| chromatid | One of the two strands of a chromosome that become visible during meiosis or mitosis |
| centromere | The region of the chromosome that holds the two sister chromatids together during mitosis |
| Cell Cycle | The life cycle of a cell |
| cytokinesis | The division of the cytoplasm of a cell |
| cancer | A group of diseases characterized by uncontrolled growth and spread of abnormal cells |
| spindle | a network of microtubles that forms during mitosis and moves chromatids to the poles |
| interphase | the period of the cell cycle during which cell activities such as cell growth and protein synthesis occur without visible signs of cell division the nucleus |
| mitosis | in eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes |
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