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Chapter 5
5.1-5.2 Vocabulary
| Question | Answer |
|---|---|
| cell division | the process in which one cell, called the parent cell, divides to form two new cells, referred to as daughter cells. |
| binary fission | the process of prokaryotic cells dividing |
| DNA replication | the cells DNA is copied right before it is divided |
| chromosome segregation | the two chromosomes separate and move to opposite ends (known as poles) of the cell. |
| cytokinesis | a new plasma membrane starts growing in the center of the cell, and the cytoplasm splits apart, forming two new daughter cells. |
| mitosis | a multi-phase process in which the nucleus of the cell divides |
| interphase | the cell grows, performs routine life processes, and prepares to divide. |
| cancer | a disease that occurs when the cell cycle is no longer regulated |
| tumor | a mass of abnormal cells |
| chromosomes | the form of genetic material of a cell during cell division. |
| chromatin | the material of which the chromosomes of of organisms other than bacteria are composed of. |
| chromatids | two identical chromosome copies |
| genes | the DNA of a chromosome is encoded with genetic instructions for making proteins. |
| homologous chromosomes | 23 human chromosomes |
| prophase | chromatin condenses into chromosomes, and the nuclear envelope, or membrane, breaks down. |
| metaphase | spindel fibers attach to the centromere of each pair of sister chromatids. |
| anaphase | sister chromatids separate and the centromeres divide |
| telophase | the chromosomes begin to uncoil and form chromatin |