Chapter 10: Part 4

All cells move through the cell cycle at the same time

• True

• False

When cells come into contact with each other, they

• Divide

• Stop dividing

When cells are not in contact with each other, they

• Divide

• Stop dividing

Do normal cells have the ability to control their growth?

• Yes

• No

What is cyclin?

• A lipid that regulates the cell cycle in prokaryotic cells

• A lipid that regulates the cell cycle in eukaryotic cells

• A protein that regulates the cell cycle in prokaryotic cells

• A protein that regulates the cell cycle in eukaryotic cells

Which regulators allow the cell cycle to proceed only when certain events have occurred inside the cell?

• Internal regulators

• External regulators

Which regulators direct cells to speed up or slow down the cell cycle?

• Internal regulators

• External regulators

What is apoptosis?

• Accidental cell death

• Programmed cell death

What is cancer?

• A disorder in which body’s cells lose their ability to control growth

• A disease of the cell cycle

• A disorder in which body’s cells get new, helpful functions

• A disease that always causes death

What is a tumor?

• A mass of rapidly dividing cells

• A mass of slowly dividing cells

• A cancerous growth

• Healthily developing tissue