Cell Cycle and Cancer

What is the cell cycle?

• The process of cell division

• The growth and replication of cells

• The regulation of cell functions

• The formation of body tissues

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What is the purpose of the cell cycle checkpoints?

• To ensure cells are growing well

• To check for DNA damage

• To determine if the cell has enough resources

• All of the above

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What happens if a cell doesn't meet the requirements of a checkpoint?

• It continues to divide

• It fixes the issue and moves on

• It enters a resting phase

• It undergoes apoptosis

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Which proteins are involved in positive regulation of the cell cycle?

• Cyclin and Cdk

• p53 and Cdk

• Cyclin and p53

• Cdk and p53

What is the purpose of apoptosis?

• To repair damaged cells

• To initiate cell division

• To self-destruct damaged cells

• To regulate cell growth

What is G0 phase?

• A phase where cells divide frequently

• A phase where cells rest and perform cell functions

• A phase where cells replicate their DNA

• A phase where cells prepare for mitosis

Why do cancer cells divide too frequently?

• Genetic factors

• Exposure to toxins

• Excessive exposure to UV light

• All of the above

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What can happen if cancer cells are not regulated?

• They can communicate with healthy cells

• They can carry out normal cell functions

• They can anchor themselves securely

• They can travel to other parts of the body

What is the role of mitosis in cell reproduction?

• To make cells bigger

• To regulate cell functions

• To make new body cells

• To split the cytoplasm

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Why is the cell cycle regulated?

• To prevent uncontrolled cell division

• To ensure cells are growing well

• To replicate DNA correctly

• All of the above

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