Embryonic stem cells are

• cells that grow uncontrollably

• cells present early in development that can form into any type of cell

• not able to go through cell division

• found within the tissues of a fully developed human

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What causes differentiation?

• The DNA is different in each type of cell.

• Some cells have more or less DNA than others.

• Only specific genes in the DNA are activated.

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Which is true about adult stem cells?

• They are only able to divide and form more adult stem cells

• They are able to develop into a variety of specialized cells but are more limited than embryonic stem cells

• They can become any cell type in the body

• They are found in embryos

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What is the definition of cell specialization?

• an organism that contains cells

• a special type of mutation in bacteria cells

• the differentiation of cells as they develop

• the replication of DNA

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In embryonic development,  the process by which cells specialize is called

• differentiation
• morphogenesis
• cell division
• endoplasmic reticulum

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Stem cells are:

• specialized cells with specific functions in the body

• cells that are undifferentiated and can differentiate into any cell type

• reproductive cells

• cells that can only do one job

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Once a stem cell differentiates, typically can it reverse back into a stem cell?

• Yes

• No

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