Stem Cells

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 can be obtained from _________.

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

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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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Which of the following cells is UNdifferentiated or UNspecialized?

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

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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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Which is true about embryonic stem cells?

• They no longer divide; their cell type is set and cannot change.
• They can develop into only one type of cell.
• They can become any cell type in the body.
• They are found in adults.

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Adult (tissue-specific) stem cells can also be referred to as ______________.

• somatic stem cells

• embryonic stem cells

• starter cells

• IPS cells

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What does "multipotent" mean?

• able to divide and make one kind of cell
• able to divide and make all different types of cells
• able to divide and make multiple (but not all) types of cells 
• cannot divide

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What does "pluripotent" mean?

• able to divide and make all different types of cells
• not able to divide
• can only divide and make one cell type 
• if it divides, it will make a cancerous tumor

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Stem cells are found in multiple locations in the body like skin, liver, muscles, intestines, and bones. True or False?

• True

• False