cell division- cancer

Question 1

cancer

Answer 1

a group of disorder in which certain cells lose their ability to control both the rate of mitosis and the number of times mitosis takes place

Question 2

benign tumors

Answer 2

cells stop dividing after some time, bot life-threatening. Do not invade other tissues. Eg; warts and skin tags
can be surgically removed

Question 3

malignant tuors

Answer 3

Result in an uncontrolled multiplication of abnormal cells. forming this tumor. Also called cancers.
Can be life threatening, invades other cells, moves from one place to other in body.
Divide indefinitely ‘immortal’

Question 4

metastasis

Answer 4

migration of cancerous cells

Question 5

causes of cancer

Answer 5

-oncogenes
-carcinogens

Question 6

oncogenes

Answer 6

normal genes altered to form cancer causing cells

Question 7

carcinogens

Answer 7

smoking, dioxins, pesticides, uv rays, etc.

Question 8

treatment

Answer 8

surgery, radiation (burn out cancer), chemotherapy

Question 9

chemotherapy

Answer 9

use of chemicals that slow mitosis