Mitosis
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Created by:
13jmcquaid on February 18, 2010
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23 terms
Terms | Definitions |
|---|---|
 why we need cells | growith, repair |
| how we make cells | sexual reproduction, asexual reproduction |
| chromatin | DNA uncoiled, stringy |
| chromosomes | chromatin and DNA coiled and condensed |
| Sister Chromatids | identical pairs of chromosomes |
| Centromere | structure at which the sister chromatids are joined |
| 3 stages of cell cycle | Interphase, mitosis, cytokinesis |
| Interphase | phase at which the cell grows, dna duplicates, and prepares to divide |
| Prophase | Phase at which the nucleus breaks down, centrioles move apart, and spindle forms |
| Metaphase | phase at which the chromosomes line up in the middle of the cell |
| anaphase | phase at which the chromosomes move to the opposite ends of the cell |
| Telephase | phase at which the chromosmes uncoil, nucleus forms, and centrioles move back together |
| cytokinesis | division of cytoplasm |
| cytokinesis for animals | membrane pinches closed |
| cytokinesis for plants | a cell plate forms |
| cancer | cell division is uncontrolled, disorganized clumps of cells |
| benign | non-harmful tumor |
| malignant | cancerous |
| mestasize | when the cell spreads from its orginal location |
| radiation | disrupts cell division to save normal cells |
| chemotherapy | drugs disrupt cell diviion and interferes with mitotic spindle |
| sexual reproduction | offspring created from cells from two parents |
| mitosis | division of the nucleus |
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