Cell Cycle and Cancer

In the S stage of interphase....

• The cell grows
• The nucleus divides
• The cell membrane divides
• The DNA is replicated

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Cancer creates abnormal cells by disrupting

• The rate of transition through the cell cycle

• Red blood cell formation

• DNA replication

• ATP synthesis

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NGSS.HS-LS1-4

What is the division of the nucleus called?

• the S phase

• mitosis

• cytokinesis

• the cell cycle

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NGSS.HS-LS1-4

The cell spends most of it's life in ________________.

• mitosis

• cytokinesis

• interphase

• S phase

A ________________is a critical point where stop and go signals can regulate the cycle

• tumor

• checkpoint

• growth factor

• oncogene

Which of the following is NOT a function of mitosis in humans?

• repair of wounds

• growth

• production of reproductive cells

• replace worn out cells

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NGSS.HS-LS1-4

Failure of this stage prior to mitosis would result in daughter cells without sufficient DNA

• S-phase
• Gap 1
• cytokinesis
• anaphase

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In mitosis, the two resulting cells are

• different from the starting cell and identical to each other.
• different from the starting cell and different from each other.
• identical to the starting cell and different from each other.
• identical to the starting cell and identical to each other.

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NGSS.HS-LS1-4

Which of the following correctly describes cells that are in the G₀ phase?

• Mature muscle and nerve cells that will not divide.

• Cancerous cells that blow through all checkpoints.

• Cells that fail to pass the M phase checkpoint.

• Cells that are replicating their DNA.

The normal function of a tumor suppressor gene is 

• to produce growth signals
• to code for proteins that inhibit, or slow, cell division
• to cause the cell to move faster through the cell cycle
• to attack cancer cells in the body

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