Cell Division & Cell Differentiation

Stem cells are

• cells that grow uncontrollably
• undifferentiated and can be any type of cell
• never go through cell division
• only found in embryos

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Stem cells can be obtained from

• embryos
• some adult tissues
• umbilical cord blood
• all of the above

What process best explains how muscle cells and nerve cells can develop from the same fertilized egg?

• genetic engineering
• survival of the fittest
• differentiation
• selective breeding

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Which best explains why muscle cells are different from blood cells?

• Muscle cells are produced by the brain, but blood cells are produced by the heart. 
• Different genes are activated in muscle cells than in blood cells. 
• Muscles cells experience different environmental influences than blood cells. 
• A mutation occurs during the development of muscle cells but not in blood cells. 

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Which type of cell is unspecialized?

• skin cell
• stem cell
• liver cell
• muscle cell

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During which phase of the cell cycle does cell division occur?

• G1 Phase
• M Phase
• S Phase
• G2 Phase

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What is the importance of the S Phase?

• The cell grows larger. 
• Organelles are duplicated.
• DNA is replicated.
• The cell divides into two daughter cells. 

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NGSS.HS-LS1-4

During what phase of Mitosis do the chromosomes line up in the Middle

• Metaphase

• Prophase

• Telophase

• Anaphase

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Which stage of the Life Cycle of the cell is this cell in (look close-the DNA hasn't formed Chromosomes (X) yet)

• Interphase

• Prophase

• Anaphase

• Telophase

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NGSS.HS-LS1-4

PMAT helps us remember the correct order of the phases of Mitosis. Which of the following has the phases of Mitosis in the correct Order

• Interphase, Mitosis, Cytokinesis

• Prophase, Metaphase, Anaphase, Prophase

• Anaphase, Telophase, Prophase, Telophase

• Prophase, Metaphase, Anaphase, Telophase

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