3. Cancer

Multiple Choice

Which of the following is NOT a checkpoint in the cell cycle?

• Between G1 and S Phase

• Between S Phase and G2

• Between G2 and M Phase

• Between M and G0 Phase

Open Ended

Why do you think it is important for cells to have checkpoints during the cell cycle?

Multiple Choice

What is the process called when a cell destroys itself due to an error that prevents it from functioning properly?

• Necrosis

• Apoptosis

• Mitosis

• Autophagy

Open Ended

Explain how the lack of apoptosis can lead to the development of cancer cells.

Multiple Select

Which of the following are problems caused by cancer cells?

• They perform normal cell functions

• They continue to divide uncontrollably

• They take up space meant for healthy cells

• They form clumps called tumors

Open Ended

Compare and contrast the appearance and behavior of normal cells and cancerous cells as shown in the diagram.

Multiple Choice

What is a tumor and how is it formed?

• A mass of healthy cells formed by normal cell division

• A mass of cancer cells formed by uncontrolled multiplication

• A mass of dead cells formed by cell death

• A mass of immune cells formed by infection

Open Ended

Compare and contrast benign and malignant tumors.

Multiple Select

Which of the following statements about malignant tumors is/are correct?

• They are not cancerous and do not spread.

• They can invade other tissues and organs.

• They are always harmless.

• They can spread through the bloodstream.

Multiple Choice

Cell cycle checkpoints occur between which of the following phases?

• G1 and S Phase, S Phase and G2, G2 and M Phase

• G1 and G2, S Phase and M Phase, G2 and S Phase

• M Phase and G0, S Phase and G1, G2 and G0

• G1 and M Phase, S Phase and G0, G2 and S Phase

Open Ended

Why are cell cycle checkpoints important in preventing diseases like cancer?