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Pani-rosa [81]
2 years ago
12

What is true of sand dunes? A) they are built by waves B) they are made by rivers cutting through land C) they are built by wate

r carrying sediment away D) they are built by deposition of sand by wing.
Biology
1 answer:
snow_lady [41]2 years ago
8 0

Answer:

its d I'm pretty sure.....

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8 0
3 years ago
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3 0
2 years ago
If a neurotransmitter attaches to a ligand-gated channel and creates a potential that causes the inside of the excitable cell me
leva [86]

Answer:

If a neurotransmitter attaches to a ligand-gated channel and creates a potential that causes the inside of the excitable cell membrane to become less negative, and this potential travels only a short distance before dying out, it is considered to be a <u>Graded or local potential</u>

Explanation:

<em>Graded potentials, also known as local or generator, are generated by an excitatory neurotranmitter, usually a ligan gated channel</em>, they occur at a localized place on the cell and their potentials are smaller (from 1-50mV) and its magnitude depends on the strength of the stimulus.

I hope you find this information useful and interesting! Good luck!

5 0
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