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mitosis
| Question | Answer |
|---|---|
| what happens in the 1st Growth phases? | in the growth phase the cell is growing and develops the organelle |
| What happens in the Synthesis phase? | the chromosomes replicate in the nucleus x2 chromosomes |
| what is the prophase? | the first stage of mitosis which chromosomes become visible as tightly coiled threadlike structure |
| what is metaphase? | the duplicated chromosomes, now consisting of sister chromatids joined at the centromere |
| what is anaphase? | sister chromatids separate and move to opposite poles of the cell |
| what is telophase? | the final stage of cell division in which the spindle disappears and the nucleus forms around each set of daughter chromosomes |
| what is the 3rd cell checkpoint? | if the cell doesn't pass the signal check its repaired or destroyed |
| what is cytokinesis? | the process where the cytoplasm of a cell divides to form two separate daughter cells |
| what is apoptosis? | A type of cell death in which a series of molecular steps in a cell lead to its death |
| what is the main difference between cancer cells and normal cells? | Cancer cells undergo mitosis unlimited number of times |
| how does a tumour form | It forms when cells grow and divide more than they should |
| 2nd cell check point | cell has sufficient resources and is free from DNA damage |