Cancer

What is the primary reason multicellular organisms grow?

• Cells change their functions

• Cells divide to produce more cells

• Cells decrease in number

• Individual cells increase in size

What can uncontrolled cell division lead to?

• Decreased risk of tumors

• Faster healing of wounds

• Improved cell functions

• Development of cancer

What phase do cells spend most of their time in during the cell cycle?

• M phase

• Interphase

• S phase

• G0 phase

What is the role of checkpoints in the cell cycle?

• To speed up cell division

• To initiate uncontrolled growth

• To ensure cells are ready to divide

• To decrease DNA replication

Which protein is involved in regulating the cell cycle by initiating apoptosis?

• Cyclin

• Mitosis protein

• Cdk

• p53