Amoeba Sisters Cell Division

What are all living things made of?

• Atoms

• Molecules

• Cells

• Water

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What is the process called that allows multicellular organisms to grow?

• Digestion

• Respiration

• Cell division

• Photosynthesis

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Why don't we want cell division happening all the time?

• It stops cell movement

• Cells can become too large

• It can lead to cancer

• It uses too much energy

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What phase do cells spend most of their time in?

• Interphase

• M phase

• Prophase

• Telophase

What is the purpose of checkpoints in the cell cycle?

• To check if the cell is ready to divide

• To ensure cells divide at the right time

• To signal the end of the cell cycle

• To produce more DNA

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What happens if a cell cannot pass a checkpoint?

• It divides immediately

• It becomes cancerous

• It enters apoptosis

• It stops all functions

What are cyclin and Cdk?

• Types of cancer

• DNA sequences

• Regulatory proteins

• Types of cells

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What does G0 phase represent?

• Resting phase

• Cell division

• DNA replication

• Growth phase

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Why is it challenging to heal major injuries to the brain or spinal cord?

• Cells in these areas divide too quickly

• Many cells in these areas do not replicate

• There is not enough blood supply

• The injuries are too complex

What can cause cells to become cancerous?

• Too much cell division

• Lack of nutrients

• Exposure to toxins or radiation

• Absence of cell checkpoints

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