Download Cell Biology Cancer 3

Biomedical Technology
Cellular Biology and Cancer
Objective 3
Genetic damage and mutation
Genetic Damage
Question:
What exactly is damaged when
genetic damage occurs?
Answer:
The genes in the normal cells are
damaged. Cancer results from the
accumulation of genetic damage to
cells across time.
Cancer Cells vs. Normal Cells
Question:
How are cancer cells different from
normal cells?
Answer:
1. Shape changes
2. Changes in their dependence on
growth factors
3. Multitude of biochemical
differences
Cancer is a Multi-Step Process
Question:
What are three cancer facts that
support the theory that cancer is a
multi-step process?
Answer:
1. Increased incidence of cancer with age
2. Development of cancer decades after
exposure
3. Increased incidence of cancer among
people with inherited dispositions