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Science Vocab
Sec. 2-3 + 2-4
Question | Answer |
---|---|
cell cycle | The regular sequence of growth and division and that cells undergo. |
interphase | The stage of the cell cycle that takes place before cell division occurs; during this stage the cell grows, copies its DNA, and prepares to divide. |
replication | The process by which a cell makes a copy of the DNA in its molecules. |
mitosis | The stage of the cell cycle during which the cell's nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell. |
chromosome | A double rod of condensed chromatin which contains DNA that carries genetic information. |
chromatid | One of the identical rods of a chromosome. |
cytokinesis | The final stage of the cell cycle in which the cell's cytoplasm divides, distributing the organelles into each of the two new cells. |
cancer | A disease in which some body cells grow and divide uncontrollably damaging the parts of the body around them. |
tumor | A mass of abnormal cells that develops when cancerous cells divide and grow uncontrollably. |
mutation | A change in a gene or a chromosome. |
chemotherapy | The use of drugs to kill cancer cells. |