Answer:
signal molecule is a general term for molecules also called (ligands)that bind specifically to other molecules (such as receptors). hope it helps!!
Answer:
vulnerable, endangered, critically endangered, and extinct in the wild and Extirpated.
Explanation:
sorry if this is wrong
<span> Some of the water may infiltrate deeper, recharging groundwater aquifers. If the aquifers are porous enough to allow water to move freely through it, people can drill wells into the aquifer and use the water for their purposes. Water may travel long distances or remain in </span>groundwater storage<span> for long periods before returning to the surface or seeping into other water bodies, such as streams and the oceans.</span>
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The answer to this question is:
Scavengers
I hope this helps!
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In a cell protein synthesis is the primary function of ribosomes