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Cell Division
Life Science
| Term | Definition |
|---|---|
| chromosomes | thread-like structures made of protein and DNA that contain the instructions for building, maintaining, and operating a cell |
| cell cycle | repeating series of stages a dividing cell goes through |
| mitosis | a process of division of the genetic material (chromosomes) of a eukaryotic cell in which each of the two resulting nuclei receives a complete set of chromosomes that is the same as in the parent cell |
| cytokinesis | the stage of the cell cycle in which the membrane-enclosed cytoplasm of the cell divides to form two cells |
| daughter cell | During mitosis, the genetic material inside the nucleus divides. Each daughter cell must have an exact copy of exactly the same genetic material as the parent cell. |
| DNA synthesis | copies DNA during the 'S' phase of the cell cycle |
| meiosis | a type of cell division in which the resulting cells have half the chromosome number of the parent |
| chromatids | the place where two sister chromatids join in a chromosome before it divides during mitosis or meiosis |
| 'sister' chromatids | the first phase of mitosis, in which the chromosomes coil and become more compac |
| spindle | all the spindle fibers considered together |
| metaphase | the second phase of mitosis, in which the chromosomes arrange in a plane at the middle of the cell |
| anaphase | the second phase of mitosis, in which the chromosomes arrange in a plane at the middle of the cell |
| telophase | the fourth and final stage of mitosis, in which the chromosomes reach two sides of a cell and are incorporated into two new nuclei |
Created by:
kmaddix
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