Criado por hollyemmakerr
quase 11 anos atrás
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what are stem cells?
where do stem cells come from?
why do stem cells raise moral issues and concerns?
where does growth occur in animals?
where does growth occur in plants?
what is a plants meristem?
the apical meristems are found..
the lateral meristems are found...
what is growth?
what is differentiation?
what is mitosis?