Notes: How Cancers basically differ

Cancer
Normal Cells
stop diving at random points
divide indefinitely (based on a continual supply of nutrients)
stop dividing at restriction point of G1
divide 20 to 50 times and then age and die
malignant:
unusual # of chromosomes
deranged metabolism
no function in body
mitosis gone haywire

metastasis

is the spreading of cancer via tissues caused by a lost attachment to ECM and other cells because of cell surface changes/mutations

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