Cell Cycle and Cancer

Which level of organization is represented by a group of different tissues working together to perform a complex function?

• Cell 
• Tissue
• Organ 
• Organism

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NGSS.HS-LS1-2

Which of the following is an example of internal regulation during the cell cycle?

• A gap outside of the cell (caused by a skateboarding accident) triggers cell division.
• A cell receives a signal from the cell’s own nucleus to divide.
• Tumor cells continue to divide without receiving a signal.
• Hormones in the blood cause cell growth in a growing teenager.

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NGSS.HS-LS1-4

Organize the parts of this body system in the CORRECT order (starting with the organism level) according to the levels of organization in a multi-cellular organism.

• human being → central nervous system → brain → nerve tissue → neurons (brain cell)
• human being → neurons (brain cell) → brain →  central nervous system →  nerve tissue
• human being →  central nervous system → neurons (brain cell) →  nerve tissue →  brain
• human being →  brain →  central nervous system →  nerve tissue →  neurons (brain cell)

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NGSS.HS-LS1-2

Which of the following is true of malignant tumors?

• They do not require treatment.
• They are easily removed through surgery.
• They can cause tumors in other parts of the body.
• They contain cells that stay clustered together.

If a cell has 8 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?

• 4
• 6
• 8
• 16

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NGSS.HS-LS1-4

During interphase, a cell grows, duplicates organelles, and

• Divides the nucleus
• Copies DNA
• Divides the cytoplasm
• Produces a new cell

Which organelle is critical for cell division?

• Centrioles/Centrosomes
• Cilia
• Vacuoles
• Vesicles

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NGSS.HS-LS1-4

Why is it important for cells of multicellular organisms to undergo mitosis?

• Mitosis allows for reproduction with male and female gametes.
• Mitosis increases variation within an organism.
  
• Mitosis produces cells that are different from the original dividing cell.
• Mitosis produces cells that are identical to the original dividing cell.

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Substances known to produce or promote cancer are called

• Kinases
• Carcinogens
• Cyclins
• Malignancies

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NGSS.HS-LS3-2

What makes stem cells different from other cells in the body?

• They are larger than other cells, and can absorb broken cells to repair them.
• They repair cells by breaking open and making their cell parts available for absorption into other cells.
  
• They are undifferentiated cells that can turn into a number of different kinds of cells as needed.
  
• They are cells that grow uncontrollably.
  

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