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chapter 5
| Term | Definition |
|---|---|
| Binary Fission | Type of cell division that occurs in prokaryotic cells in which a parent cells divides into two identical daughter cells. |
| Cancer | Disease that occurs when the cell cycle is no longer regulated and cells divide out of control. |
| Cell cycle | Repeating series of events that a cell goes through during its life, including growth, DNA, synthesis, and cell division. |
| Cell division | Process in which a parent cell divides to form two daughter cells. |
| Cytokinesis | Splitting of the cytoplasm to form daughter cells when a cell divides. |
| DNA replication | Process of copying of DNA prior to cell division. |
| Interphase | Stage of the eukaryotic cell cycle when the cell grows, synthesizes DNA, and prepares to divide. |
| Mitosis | Process in which the nucleus of a eukaryotic cell divides. |
| Tumor | Abnormal mass of cells that may be cancerous. |
| Anaphase | Third phase of mitosis during which sister chromatids separate and move to opposite poles of the cell. |
| Centromere | Region of sister chromatids where they are joined together. |
| Chromatid | One of two identical copies of a chromosome that are joined together at a centromere before a cell divides. |
| Chromatin | Grainy material that DNA forms when it is not coiled into chromosomes. |
| Chromosome | Coiled structure made of DNA and proteins containing sister chromatids that is the form in which the genetic material of a cell goes through cell division. |
| Gene | Unit of DNA on a chromosome that is encoded with the instructions for a single protein. |
| Homologous Chromosomes | Pair of chromosomes that have the same size and shape and contain the same genes. |
| Metaphase | Second phase of mitosis during which chromosomes line up at the equator of the cell. |
| Prophase | First phase of mitosis during which chromatin condense into chromosomes, the nuclear envelope breaks down, centrioles separate, and a spindle begins to form. |
| Telophase | Last stage of mitosis during which chromosomes uncoil to form chromatin, the spindle breaks down, and new nuclear membranes form. |