Cancer

Question 1

Why do normal cells not live forever?

Answer 1

Because cells are programmed to die; can get damaged

Question 2

What is apoptosis?

Answer 2

When cells are damaged beyond repair and kill themselves. Cell suicide

Question 3

What are carcinogens?

Answer 3

Agents causing cancer

Question 4

Name the two types of cells?

Answer 4

Benign, malignant

Question 5

List the 3 methods of treating cancer. Explain

Answer 5

Surgery. Needs to know exactly where the tumor is, and the tissue must be replaceable
Radiotherapy. Tissues that are irreplaceable
Chemotherapy. Does not matter where the source is

Question 6

What is the relationship between mitosis and cancerous cells?

Answer 6

When mitosis goes wrong, cancerous cells are formed. It especially occurs in cells where there is rapid cell division

Question 7

What is a biopsy?

Answer 7

It is a test sampling tumors to test if it is benign or malignant

Question 8

What is the difference between benign and malignant cells?

Answer 8

Benign cells are easily removed through surgery, and the do not spread (only grow bigger)
Malignant cells destroy their surrounding tissue, she’d cells and travel around the body

Question 9

How do carcinogens operate?

Answer 9

They damage the DNA and exhilarate the rate at which cells divide