Notes 19 Flashcards
1
Q
Cancer kills 1 in every __ ppl
A
6
2
Q
how are tumors produced
A
normal regulators of cell proliferation are lost, cell divides rapidly and produces tumor
3
Q
benign
A
a tumor that stays in original tissue
4
Q
Maligant
A
a tumor/ tumor cell that can invade healthy tissues and undergo mitosis
5
Q
what can induce cancer
A
DNA viruses and retroviruses
6
Q
transformation
A
Viral genome is integrated into host DNA
7
Q
Proto-oncogenes
A
normally promote cell growth; when mutated they are excessively active in growth promotion
8
Q
Tumor-suppressor genes
A
normally inhibit growth; when mutated cause inappropriate cell division
9
Q
genome maintance gene
A
maintains genome integrity; when mutated results in deregulation of cell growth& proliferation = cancer
