Answer:
I think you are correct, i got a similar project to urs and i got it right. If u r not right then i am SO SORRY. Good luck!
Explanation:
Answer:
parasitism,
Explanation:
parasitism, relationship between two species of plants or animals in which one benefits at the expense of the other, sometimes without killing the host organism.
Answer:
Yes.
Explanation: He is a fox :>
The answer for that is B, and E it should be all in your book
Answer:
they are Na+, K+ and Ca2+ ion channels.
Explanation:
Ionotropic acetylcholine receptors are also called nicotinic acetylcholine receptors because beside acetylcholine (Ch) they respond to nicotine. These receptors are primary receptors in muscle for motor nerve-muscle communication that controls muscle contraction.
Two molecules of ACh are required for receptor to open. Since the receptors are linked to ion channels, the channels open. Opening of the channel allows positively charged ions to move across it: sodium enters the cell and potassium exits.