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13 Cards in this Set
- Front
- Back
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Gene |
A unit of heredity that 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 protein. |
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Chromatin |
The substance of which eukaryotic 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 chromsome that holds the two sister chromatids together during mitosis |
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Cell Cycle |
the life cycle of a cell. |
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Interphrase |
the period of the cell cycle during which activites 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 a cell. |
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Spindle
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A network of microtubules that form during mitosis and moves chromatids to the poles.
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Centrosome |
An organelle that contains the centrioles and is the center of dynamic activity in mitosis. |
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Cancer |
A group of diseases charaterized by uncontrolled growth and spread or 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. |
