The Cell Cycle. An ordered set of events, culminating in cell growth and division into two daughter cells. Essential Question. What are cells made of? What are the functions of cell division? What happens during the cell cycle?. Page 388.
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The Cell Cycle
An ordered set of events, culminating in cell growth and division into two daughter cells.
What are cells made of?
What are the functions of cell division?
What happens during the cell cycle?
Synthesis means to make.
After a period of growth, each cell's original DNA is duplicated in the process of replication.
The replication of DNA also takes a lot of energy!
The time taken by a cell to build up its energy reserves produces a second "gap".
Cytokinesis is the division of the cytoplasm of a parent cell.
The cell pinches together roughly in the center.
Cancer is a disease of the cell cycle. Some of the body’s cells divide uncontrollably and tumors form.
(Target cells animation: click on go sign)
(Normal contact inhibition animation: click on petri dish)
Cancer treatments include drugs that can stop cancer cells from dividing.
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