Stem Cells

What is a benefit of using the patient's own stem cells to treat cancer?

• Your own stem cells won’t cause rejection as they’re taken from the patient themselves

• Your own stem cells have to be extracted from the bone marrow which is very painful

• Adult stem cells can only differentiate into a few cell types

• There is a risk of cancer returning

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Stem cells are ____________________.

• cells that grow uncontrollably

• undifferentiated cells that can turn into other types of cells

• the first cells of a new living organism (fertilized egg)

• specialized cells that do one job

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Stem cells are used to __________.

• make clones
• create new species of animals
• make babies
• grow different types of tissues

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What is the difference between embryonic stem cells and adult stem cells?

• Embryonic can differentiate into more cell types than adult
• Adult only turn into blood, while embryonic turn into many things.
• Adult can differentiate into more cell types than embryonic
• Adult grow bigger than embryonic

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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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What do you call it when cells begin to develop structures & functions that are different from other cells in the organism?

• Mitosis

• Differentiation

• Protein synthesis

• Meiosis

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Which of the following cells is undifferentiated?

• cardiac muscle cell
• nerve cell
• liver cell
• stem cell

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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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What is the difference between embryonic stem cells and adult stem cells?

• Embryonic stem cells can differentiate into more cell types than adult stem cells
• Adult stem cells are pluripotent, just like embryonic stem cells
• Adult stem cells can differentiate into more cell types than embryonic stem cells
• Adult stem cells grow bigger than embryonic stem cells

Which stem cells can turn into the MOST types of cells?

• Totipotent

• Multipotent

• Unipotent

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