I.
II.
Regulating the Cell Cycle Section 10-3
Controls On Cell Division
i.
When cells come into contact with……….
Cell Cycle Regulators
i. ______________ and ____________discovered that cells in
mitosis contained a ______________ that when injected
into a nondividing cell would cause a mitotic spindle to form.
ii.
___________ is a protein that regulates the timing of the
cell cycle in eukaryotes.
A. Internal Regulators:
Example:
B. External Regulators:
Example:
III.
Uncontrolled Cell Growth
i. ________________ cells do not respond to the signals that
regulate the growth of most cells. As a result, they form
masses of cells called tumors that can damage the
surrounding tissues.
iii. Loss of growth can be caused by
iv.
All cancer cells have a defect in a gene called
___________, which normally halts the cell cycle until all
chromosomes have been properly replicated.