Creado por sammi_taylor01
hace más de 11 años
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Pregunta | Respuesta |
Do cells divide continuously or not? | They do not divide continuously |
What happens during interphase of the cell cycle (hint- not mitosis). | first growth (proteins are synthesised and produced), synthesis (DNA is replicated) and second growth (organelles grow and divide). |
What are the three phases of the cell cycle | interphase nuclear division cell division |
Describe nuclear division | when the nucleus either divides into two (mitosis) or four (meiosis) |
describe cell division | follows nuclear division in that the whole cell either divides into two (mitosis) or four (meiosis) |
What can you say about the length of each cell cycle? | varies among different organisms, typically a mammalian cell takes around 24 hours to divide, 90% of this time being interphase |
What is cancer | A group of cells that divide rapidly and uncontrollably as a result of damage to the genes that regulate mitosis and the cell cycle. |
What is involved in the treatment of cancer? | Blocking of cell division in order to stop the growth of cells. |
How does chemotherapy work? | prevents DNA from replicating, it inhibits the metaphase stage of the cell cycle by interfering with spindle formation. |
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