Unit 7 - Stem Cells- Review

Stem Cells are:

• Specialized cells that have a unique function

• Unspecialized cells that can produce specialized cells

• Cells made in the stems of plants

• Unable to produce more cells

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Stem Cells are:

• Specialized cells that have a unique function

• Unspecialized cells that can produce specialized cells

• Cells made in the stems of plants

• Unable to produce more cells

Medical researchers are interested in stem cells because they?

• are found in all types of tissues
• can produce different cells types
• are highly specialized
• are found only in embryos

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The process by which cells become specialized is known as?

• stem cell research
• embryonic development 
• totipotent cell strucutre
• cell differentiation 

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What is a stem cell?

• a cell that has a stem
• an unspecialized cells from which differentiated cells develop 
• cells that are found in plant stem
• cells that are found in bacteria only

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Which of the following is NOT a source for stem cells?

• umbilical cord blood 
• early embryos 
• sperm and eggs 
• certain adult tissues 

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

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A fertilized egg cell (sperm + egg) is also known as a ______.

• blastocyst
• zygote
• gamete
• somatic

What’s the difference between a stem cell and a differentiated cell?

• Stem cells don’t have a function whereas differentiated cells do.

• Stem cells grow in animal cells whereas differentiated cells grow in a swamp.

• Stem cells cure cancer whereas differentiated cells cure AIDS.

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Which  is of the following is not an example of cell differentiation? 

• Stem cells from bone marrow develop into blood cells
• Bone marrow cells are used to repair damage to heart tissue
• a leaf cell divides as a plant leaf grows
• A fertilized egg develops limbs and a hand