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Sci C&H Ch2-3, 2-4
Vocabulary
Question | Answer |
---|---|
cell cycle | the regular sequence of growth and division 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 dobule rod of condense chromatin which contains DNA that carries genetic information |
chromotid | 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 ogranelles 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 chromosome |
chemotherapy | the use of drugs to kill cancer cells |