Chapter 10.3

Question 1

How is the cell cycle regulated?

Answer 1

the cell cyle is controlled by regulatory proteins both inside and outside of the cell

Inside- Internal Regulatory Proteins (like the cyclins)

Outside- Growth Factors

Question 2

How do cancer cells differ from other cells?

Answer 2

Cancer cells do not respond to the signals that regulate the growth of most cells. As a result, the cells divide uncontrollably.

Cancer cells form into masses called tumors

Question 3

What is cyclin?

Answer 3

protein that plays a role in regulating the timing of the cell cycle

Question 4

What is a growth factor?

Answer 4

growth factors stimulate the growth and division of cells, especially important during embryonic development and wound healing.

Question 5

What is apoptosis?

Answer 5

Programmed cell death (self-destruct mode)

Question 6

What is cancer?

Answer 6

disorder in which body cells lose the baility to control cell growth

Question 7

What is the difference between a benign and malignant tumor?

Answer 7

benign tumor - noncancerous tumor that does not spread to surrounding healthy trissue or to other parts of the body

malignant tumor - cancerous tumor that invades and destroys surrounding healthy tissue

Question 8

What are the most common types of cancer in males and females?

Answer 8

Females - Breast Cancer

Males - Prostate Cancer