Cell Growth and Division 10.1
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Created by:
bigdanenealis on March 15, 2011
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17 terms
Terms | Definitions |
|---|---|
 Gene | A segment of DNA that codes for a protein or RNA molecule |
| Chromosome | DNA that is organized and packaged into structures |
| Chromatin | The DNA a protein makes up a substance |
| Histone | The first level of packing is done by a class of proteins |
| Nucleosome | Histone cores and DNA around it. |
| Chromatid | Made of a single long molecule |
| Centromere | held together at a region |
| Cell Cycle | repeating sequence of cellular growth and division the life of the cell |
| Interphase | The first three phases together |
| Mitosis | The process of dividing the molecules into two daughter cells |
| Cytokinesis | The process of separating the organelles and the cytoplasm |
| Spindle | Outside the molecules a special structure called spindles form |
| Centrosome | Cells have an organelle have a centrosome which helps assemble. |
| Checkpoints | Feedback signals a key checkpoint that cells cycle can delay or trigger the next phase of the cycle |
| cancer | group of severe and sometimes fatal diseases that are cause by uncontrolled cell growth |
| tumor | eventually these cancer cells can form a mass called a ______ |
| producing more cells | how does the body of a multi cellular organism grow larger |
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