BPS 1101 Lecture Notes - World War I, Henrietta Lacks, Cell Division

• School: University of Ottawa
• Department: Biopharmaceutical sciences
• Course: BPS 1101
• Professor: William Ogilvie

Document Summary

Cancer is uncontrolled growth (part of you not growing properly) Hyper-proliferative lesion benign (grow to certain point and then stop) Hyper-proliferative lesion malignant (skin mends together) Top 2 ways to die: heart disease, cancer. Cancer is more common in men than women (women lead healthier lifestyle) Cancer rarely ever happen until age 35. To survive cancer you need to be young and detected early. Cancer cells grow a lot, suck up nutrients. Becomes a parasite in your body and when you can"t support you cells and cancer cells with nutrients you die. Normal cells about 50 times (after that it dies) Normal cells also only divide on command. Immortal cells are called hela cells from henrietta lacks when her tumour was removed the cells didn"t die. Cancer cells require 20 years to develop. Requires 8-10 mutations to occur for cancer to occur in the same cell. Cell division is regulated in 2 ways: stimulation (accelerator, repression (brakes)