9.3 cell cycle regulation

Programmed cell death is called

• apoptosis
• cancer
• cytokinesis
• interphase

Substances that cause cells to become cancerous is known as

• cyclins
• carcinogens
• kinases
• growth factors

which of the following is a stem cell?

• embryonic
• muscle
• nerve
• blood

the risk of cancer increases with age

• false
• true

Ultraviolet radiation from the sun is impossible to avoid complet

• true
• false

What is the difference between a normal and cancer cell?

• no difference
• cancer has an irregular shape
• normal cells are bigger

what is uncontrolled growth and division of cells?

• cyclins
• carcinogens
• apoptosis
• cancer

What happens to cells going through apoptosis?

• grow 
• shribk
• stay the same 
• dissapear

all cancers can be prevented

• true
• false

cancer cells spend less time in interphase than normal cells

• false
• true