Unformatted text preview: 11-8-11
Does a single gene cause mutation? NOO many do
** the longer you live, the more mutations you accumulate
Gene therapy is more feasible if only one gene is involved
2. what else causes cancer?
carcinogens - how do they get into our body
absorbed (through skin)
- denatures proteins
- damages DNA - by causing adjacent pairs of thymine to bond to each other instead of
to the opposite bases on the DNA strand - mutation!
- How does skin peal when sunburnt? - the skin cells die so they peel off
4. Certain viruses
HPV causes genital warts - the virus is also found in >90% of cervical viruses
Benign tumor - uncontrolled growth with no obvious adverse affects
**90% of these deaths were caused by smoking
A = asymmetrical?
B = border irregular?
C = color uneven?
D = diameter > 1/4 in.?
E = evolving (changing)?
*** 50-100 times higher in the US than in other developed countries
Cause: spirillium bacterium
**second most common STD int he US
**the most common among people our age
**most common STD in the US ...
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This note was uploaded on 11/17/2011 for the course ISB 202 taught by Professor Johnson during the Fall '08 term at Michigan State University.
- Fall '08