Cell Cycle and Cancer

What signal initiates cell division?

• An external signal

• M phase

• G0 phase

• An internal signal

Tags

NGSS.HS-LS1-4

Cancer is best and fully described by ...

• Uncontrolled cell growth
• Cells which grow abnormally and no longer function correctly
• Cells which have lost the ability to reproduce
• Cells which create abnormal tissues

Tags

NGSS.HS-LS3-2

Which part of the cell cycle does cell differentiation occur?

• G1

• G0

• G2

• Mitosis

Tags

NGSS.HS-LS1-4

What is the purpose the the cell cycle checkpoints?

• To repair damaged cells before they enter cell division.

• To remove damaged cells from an organism.

During which checkpoint is the newly synthesized DNA checked?

• G2

• G0

• G1

• Mitosis

True or False: Once cells have differentiated, they can produce new body parts, like legs.

• False, because differentiated cells cannot divide.

• False, because the DNA to create the new body part is turned off.

• True, because differentiated cells can divide to produce new body parts.

Tags

NGSS.HS-LS1-4