Stem cells are a class of undifferentiated cells that are able to differentiate into special cell types.
They are important because they represent an area in medicine, because they have the potential to regenerate and repair damaged tissue.
Not all stem cells come from embryos but also bone marrow, your teeth and other places.
Answer:
<em>Checks and Balances</em> and <em>Separation of Power</em>
Explanation:
Well there's no simple answer to this; the French and English have had a long history of discord- they weee at war for a hundred years after all!
