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raketka [301]
3 years ago
13

What chemical gets released at the end of a neuron to transmit an impulse to the next neuron?

Biology
1 answer:
Elden [556K]3 years ago
7 0
The chemicals, neurotransmitters are released to carry a nerve impulse which is an electric signal transmitted by the nervous system. This impulse transmitted from one neuron to another. Examples of neurotransmitters are serotonin in which scientists thinks that a low level of this is one of the causes of depression. 
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Skeletal muscles are?
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3 years ago
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Why names light microscope and electron microscopes
yarga [219]

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In contrast to light microscopes, electron microscopes use a beam of electrons instead of a beam of light. Not only does this allow for higher magnification and, thus, more detail, it also provides higher resolving power.

6 0
2 years ago
The population in South Africa is more prone to sickle cell anemia (genotype "ss"). People with genotype "ss" survive only up to
lions [1.4K]
The answer is stabilizing selection.

<span>Sickle-cell anemia is a recessive disorder caused by the presence of two recessive alleles "s", so genotype is "ss". This disorder is characterized by sickle hemoglobin. In an area with malaria, heterozygous individuals "Ss" (with one dominant allele and one recessive allele) have an advantage. These individuals will have both normal and sickle hemoglobin. But pathogen that causes malaria affect only normal hemoglobin, so heterozygous individuals will have half of the hemoglobin resistant to the pathogen and those individuals are resistant to malaria.</span>

Stabilizing selection favors heterozygotes Ss,  disruptive selection favors dominant (SS) and recessive (ss) homozygotes, while directional selection favors dominant (SS) or recessive (ss) homozygote. Since in this example, people with genotype Ss (heterozygotes) are in advantage, then this is an example of stabilizing selection.

7 0
3 years ago
You need to measure three things:1. a quantity of water2. the length of a leaf3. the mass of a small stoneWhich unit of metric m
andrew11 [14]
1. milliliters
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Why and what do we dream for?
Andrej [43]

Answer:

in my opinion lol

Explanation:

Why : bc our mind is still active even while we r sleeping i think

What: to imagine things that will never happen but what we want.

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3 years ago
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