Which of the following are the level of biological structure at which stem cells play a part? Select all that apply. A. macromolecular level  B. cellular/ organelle levels  C. tissue/ organ level  D. organismal level  E. all of the above  none of the above

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Q: Human embryonic stem cells are________. Plant cells are _____________.

A:

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Q: Human embryonic stem cells are Plant cells are

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Q: #4

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