Cell Cycle Control and Cancer

A cell was allowed to move forward with DNA replication even though it was too small. Which checkpoint was most likely defective?

• G1

• S

• G2

• M

Which checkpoint checks whether DNA is damaged before replication?

• G1

• S

• Mitosis

What is the primary purpose of cell cycle checkpoints?

• To speed up the cell cycle

• To ensure the cell cycle progresses without errors

• To initiate cell death

• To replicate DNA

Tags

NGSS.HS-LS1-4

Which checkpoint is responsible for verifying that DNA replication is complete before mitosis begins?

• G1 checkpoint

• S checkpoint

• G2 checkpoint

• M checkpoint

At which checkpoint does the cell assess whether the environment is favorable for cell division?

• G1 checkpoint

• S checkpoint

• G2 checkpoint

• M checkpoint

What is checked at the M checkpoint during the cell cycle?

• DNA damage

• Chromosome alignment on the metaphase plate

• Nutrient availability

• Cell size

Tags

NGSS.HS-LS1-4

Which protein is crucial for the regulation of the G1 checkpoint?

• Cyclin B

• Cyclin D

• Cyclin E

• Cyclin A

What happens if a cell fails to pass a checkpoint?

• It immediately enters the next phase

• It undergoes apoptosis

• It repairs the damage or waits until conditions improve

• It becomes a cancer cell

Which of the following is NOT a function of cell cycle checkpoints?

• Preventing uncontrolled cell division

• Ensuring DNA is accurately replicated

• Facilitating the repair of damaged DNA

• Increasing the rate of cell division

Tags

NGSS.HS-LS1-4

A disorder in which some of the body's cells lose the ability to control growth.

• growth factor

• human growth hormone

• cancer

• tumor

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2