In vertebrates, motor neurons release acetylcholine (ACh), a small molecule neurotransmitter, which diffuses across the synaptic cleft and binds to nicotinic acetylcholine receptors (nAChRs) on the cell membrane of the muscle fiber, also known as the sarcolemma.
Answer:
A
Explanation:
The Sun, Moon, and planets appear to move across the sky much like the stars. Because of the Earth's rotation, everything in the sky seems to move together, turning once around us every 24 hours. ... Likewise, every point on the celestial equator is exactly overhead from some point on the Earth's equator.The Sun, Moon, and planets appear to move across the sky much like the stars. Because of the Earth's rotation, everything in the sky seems to move together, turning once around us every 24 hours.
Answer:
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Explanation:
1: Seeds provide a protective coat so that the plant can develop when it finds nice soil.
2: Seeds have pre-packaged foods sources.
3: Seeds are very easily dispersed by animals, wind, water, ect...
4: Seeds have the capability to survive without water.
It is replicable because all the other answers are based on an individual’s opinion, not science.