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12 Cards in this Set
- Front
- Back
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Gene |
the most basic physical unit of heredity: a segment of nucleic acid that codes for a functional unit of RNA and / or a protein |
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Chromosome |
in eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA |
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Chromatin |
the substance that composes eykaryotic chromosomes; it consists of specific proteins, DNA, and small amounts of RNA |
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Chromatid |
one of the two stands of a chromosome that become visible during meiosis or mitosis |
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Centromere |
the region of the chromosome that hold two sister chromatids together during mitosis |
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Cell cycle |
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 cell division that forms two new nuclei, each of which has the same number of chromosomes |
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Cytokinesis |
the division of the cytoplasm of cell; cytokinesis follows the division of the cells nucleus by mitosis or meiosis |
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Spindle |
a network of microtubles that forms during mitosis and moves chromatids to the oles |
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Cancer |
a type of disorder of cell growth that results invasion and destruction of surrounding healthy tissue by abnormal cell |
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Tumor |
a growth that arises from normal tissue but that grows abnormally in rate and structure and lacks a function |
