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Part C
Mitosis
Question | Answer |
---|---|
What is the growth phase? | The cell is growing and developing its organelles. |
What is the synthesis phase? | The chromosomes double in the nucleus. |
What is mitosis? | Mitosis is when the cell divides into 2 daughter cells. |
What is the first stage of mitosis? | Prophase is the first stage in mitosis, and its when the sister chromatids condense and the chromosomes become visible. |
What happens during metaphase? | The chromosomes are aligned across the center of the cell. |
What stage in mitosis is when the centromere splits apart? | Anaphase is the phase of mitosis in which the centromere splits apart and the chromatids are pulled to opposite sides of the cell by the spindle fibres. |
What stage in mitosis causes 2 daughter nuclei to form? | Telophase |
What are cell checkpoints? | Cell cycle checkpoints are control mechanisms in the eukaryotic cell cycle which ensure its proper progression. |
What is apoptosis? | A type of cell death in which a series of molecular steps in a cell lead to its death. This is one method the body uses to get rid of unneeded or abnormal cells. The process of apoptosis may be blocked in cancer cells. |
How are cancer cells different from normal cells? | Cancer cells don't stop growing and dividing when there are enough of them |
What is a tumor? | Groups of abnormal cells that form lumps or growths. |