cancer Flashcards
1
Q
what is cancer
A
rapid and uncontrolled cell division
2
Q
what is the differeance between malignat and begning tumor
A
malignant- uncontrolled rapid division of cancerous cells.
damages and destroys surrounding tissue
beging- slower and harmless
3
Q
what two genetic factors can effects cancer development
A
when a tumor supressor gene is turned off
proto oncogene
4
Q
what is tumor supressor gene
A
prevents and slows cells division
causes cells to self destructch
5
Q
so how can tumor supressor gene cause cancer
A
mutation
protiens not produced
cell divides rapidly
6
Q
how can proto oncogene effect cancer
A
stimulates cells to divide
a mutation increases rate of celld division rapidly