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13 Cards in this Set
- Front
- Back
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Gene |
The most basic physical unit of heredity |
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Chromosome |
in a eukaryotic cell on eof the structures in the nucleus that are made up of DNA and proteins in a prokaryotic cell the main ring of RNA |
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Chromatin |
The substance that composes eukaryotic chromosomes it consists of specific proteins DNA and small amounts of RNA |
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Chromatid |
one of the strands of chromosome that becomes visible during meiosis or mitosis |
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Cenromere |
The region of the chromosome that holds the two sister chromatids together during mitosis |
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Cell cycle |
The life of a cell in eukaryotes it consists of a cell growth period in which DNA is synthesized and a cell division period in which mitosis takes place |
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Interphase |
The period of the cell cycle during which activities such as cell growth and protein synthesis occur without visible signs of cell division |
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Mitosis |
In eukaryotic cells a process of a cell division that forms two new nuclei each which has the same number of chromosomes |
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Cytokinesis |
The division of the cytoplasm of a cell cytokinesis follows the division of the cells nucleus by mitosis or meiosis |
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Spindle |
a network a microtubules that forms during mitosis and moves chromatids to the poles |
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Cancer |
A type of disorder of cell growth that results in invasion and destruction of surrounding healthy tissue by abnormal cells |
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Tumor |
a growth that arises from normal tissue but grows abnormally in rate and structure and lacks function |
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centrosome |
an organelle that contains the cetiroles and is the center of the dynamic activity in mitosis |
