Mutagens Flashcards
1
Q
Define Physical Mutations
A
Due to Xrays, UV light
It affects rapidly dividing cells.
2
Q
Define a Chemical Mutagen
A
Chemically rxing with DNA 0 can cause nucleotide sub or frameshift mutation.
Most are carcinogenic, they can cause cancer.
3
Q
What is Oncogene?
A
A gene which can turn a cell into a tumor cell.
4
Q
(T/F) - Every Cell in ur body has the same DNA and purpose
A
Partially true, every cell shares identical DNA but specializes in their own purpose.
5
Q
How does a skin cell turn on certain genes while turning off others?
A
Regulator genes, that produce proteins that can turn on and off segments of the DNA molecule
6
Q
What may Oncogenes do that may lead to cancer?
A
Turn on cell division and not let it stop, or inhibit an off switch. (Uncontrolled rapid cell growth)
