Download Lecture notes: 10-3 Regulating the Cell Cycle

Lecture notes: 10-3 Regulating the Cell Cycle
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Vocabulary:
Cyclin______________________________________________________________
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Cancer: _____________________________________________________________
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Stem Cell: ___________________________________________________________
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10-3 lecture notes
Specialized cells divide___________________________________________________
Some cells ____________________________________________________________
Cardiac (cells of the heart muscle)__________________________________________
Smooth muscle ________________________________________________________
Intestine cells ____________________________________________________________
Nerve cells (+ brain cells) __________________________________________________
Red blood cells live _______________________________________________________
Controls on cell division: Not all cells in the body divide at _______________________
Cells in a Petri dish will ____________________________________________________
If cells are removed, they grow until __________________________________________
Controls on cell division can be ______________________________________________
Cell cycle regulators: the protein cyclin regulates _______________________________
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Internal regulators : proteins that respond to internal events in the cell. Some make sure
the cell _________________________________________________________________
Another makes sure that chromosomes are _____________________________________
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External regulators: proteins that respond to __________________________________
They direct the cell to _____________________________________________________
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Growth regulators are important in __________________________________________
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Inhibitors on cell surfaces __________________________________________________
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Uncontrolled cell growth: cancer is a disease of _______________________________
Cancer cells don’t respond to _______________________________________________
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Leads to uncontrolled ______________________________________________________
Causes: _________________________________________________________________
Form masses of cells called _________________________________________________
(more on back)
Stem cells: Unspecialized cells that have the ability to ___________________________
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They could replace damaged cells ___________________________________________
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Stem cell controversy: stem cells are produced from human embryos ________________
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Raises moral and ethical objections: __________________________________________
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Adult stem cells: are found in bone __________________________________________
Future possibility: a person’s own stem cells could ______________________________
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