How does cancer cause problems in the body?
Cancer cells usually group or clump together to form tumors (say: TOO-mers). A growing tumor becomes a lump of cancer cells that can destroy the normal cells around the tumor and damage the body’s healthy tissues. This can make someone very sick.
What is the basic problem with cancer cells?
Cancer cells are cells gone wrong — in other words, they no longer respond to many of the signals that control cellular growth and death. Cancer cells originate within tissues and, as they grow and divide, they diverge ever further from normalcy.
What are the main causes of cancer quizlet?
What Causes Cancer?
- Smoking and Tobacco.
- Diet and Physical Activity.
- Sun and Other Types of Radiation.
- Viruses and Other Infections.
How do cancer cells evade apoptosis?
In some cases, cancer cells may escape apoptosis by increasing or decreasing expression of anti- or pro-apoptotic genes, respectively. Alternatively, they may inhibit apoptosis by stabilizing or de-stabilizing anti- or pro-apoptotic proteins, respectively.