Bio12.5

Question 1

What stage happens after metaphase?

Answer 1

Anaphase

Question 2

External factors

Answer 2

Influence cell division and include specific growth factors

Question 3

Growth factors

Answer 3

Released by certain cells and stimulate other cells to divide

Question 4

PDGF-stand for

Answer 4

Platelet-derived growth factor

Question 5

PDGF

Answer 5

Made by blood cell fragments called platelets

Question 6

Crowded cells will stop dividing in______ _____

Answer 6

Density-dependent inhibition

Question 7

What is an example of contact inhibition

Answer 7

Density-dependent inhibition

Question 8

In cancer, what action is lost?

Answer 8

Density-dependent inhibition

Question 9

Cancer cells may make their own __ ___.

Answer 9

Growth factors

Question 10

Cancer cells have an abnormal ___ ___ control system.

Answer 10

Cell cycle

Question 11

Most cells exhbit ___ ____ to divide.

Answer 11

Anchorage dependence

Question 12

What must cells be attached to to divide?

Answer 12

Substratum to exhibit anchorage dependance

Question 13

A normal cell is converted to a cancerous cell by a process called _____

Answer 13

Transformation

Question 14

What do cancer cells that are not eliminated by the immune system form?

Answer 14

Tumors

Question 15

Tumor

Answer 15

Masses of abnormal cells within otherwise normal tissue

Question 16

Benign tumor

Answer 16

Remain only at the original site, the lump

Question 17

Malignant tumors

Answer 17

Invade surrounding tissues

Question 18

What do malignant tumors do to export cancer cells to other parts of the body and forma additional tumors?

Answer 18

Metastasize

Question 19

How can localized tumors be treated?

Answer 19

High-energy radiation that damages DNA in cancer cells

Question 20

What is used to treat metastatic cancers?

Answer 20

Chemotherapies that target the cell cycle