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12 Cards in this Set
- Front
- Back
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Gene |
A unit of heredity consists of a segment of nucleic acid that codes for a functional unit of RNA or protein. |
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Chromosome |
In a eukaryotic cell one of the structures in the nucleus that are made up of DNA and protien in a prokaryotic cell the main ring of DNA. |
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Chromatin |
The substance of which eurkaryotic chromosomes are composed. |
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Chromatid |
One of the two strands of a chromosome that become visible during meiosis or mitosis. |
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Centromere |
The region of the chromosome that holds the two sister chromatids together during mitosis. |
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cell cycle |
Rhe life cycle of a cell. |
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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 that forms two new nuclei each of which has the same # of chromosomes. |
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cytokinesis |
The division of the cytoplasm of a cell. |
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spindle |
A network of microtubules that forms during mitosis and moves chromatids to the poles. |
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cancer |
A group of diseases characterized by uncontrolled growth and spread of abnormal cells |
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tumor |
A growth that arises from normal tissue but that grows abnormally in rate and structure and lacks a function. |
