Located on the surface of the cell, they receive messages or signals from the environment or field and communicate that information to the cell which in turn, triggers a corresponding response within the cell.
Readers, please enjoy this guest blog post by Deborah Blake, author of several books, including The Everyday Witch's Coven and the new Llewellyn's Little Book of Witchcraft.
I love the Llewellyn's Little Books series, so I was thrilled when my...
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