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.
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Answer:
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Answer: Transition forest
The mixture of
wildlife species in different ranges or ecosystem is known as transition
forest. The Shenandoah national park has multiple
trends such as natural regeneration of forests, forest plantation, adsoption of
agroforestry to continuing deforestation. This manifestation indicates that
there is a turnaround in land use from a period of net forest area gained to
net forest loss.