Cell Cycle Regulation

What is the primary function of hormones in relation to the cell cycle?

• To regulate stages of the cell cycle

• To create new cells directly

• To provide energy to cells

• To destroy harmful cells

What happens during the S phase of the cell cycle?

• Cells stop dividing

• The genome is copied

• Proteins are degraded

• Cells exit the cycle

What role do cyclins play in the cell cycle?

• They degrade DNA

• They prevent cell division

• They activate protein kinases

• They store genetic information

What is a key feature of cancer cells in relation to the cell cycle?

• They divide in response to growth factors only

• They stop dividing when the container is full

• They divide uncontrollably

• They follow normal cell cycle regulation

What is the consequence of a malfunction in cell cycle regulation?

• Development of tumors

• Enhanced DNA replication

• Decreased cell division

• Normal growth and development