Answer:
what is black death clear it first
When a drug binds to a receptor in the body , the receptor is activated or inactivated.
Molecules such as hormones, drugs or neurotransmitters that bind to a receptor are called ligands. The binding can be specific and reversible. A ligand may activate or inactivate the receptor; activation may increase or decrease a particular cell function. Each ligand may interact with multiple receptor subtypes.
brain is the organ which does play a role in mechanical or chemical digestion
Answer:
They enable protein production.
Explanation:
Answer:
It can effect how freshwater organisms filter water in and out of their bodies.
Explanation:
When the salt gets into lakes and streams, it dissolves into sodium and chloride ions, which, I'm pretty sure, clogs up the water that the organism is filtering through it's body.