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Paul [167]
2 years ago
10

Nerve impulses have been found to travel as fast as 100 m/s . what could account for the difference between your answer to quest

ion 5 and this value obtained by researchers
Biology
1 answer:
WARRIOR [948]2 years ago
3 0
<span>The myelin sheath allows nerve impulses to propagate very quickly along a nerve's axon to transport the signal between nerve cells. The myelin coating allows the chain reaction of impulses to jump certain distances instead of waiting for the chemical changes to happen at all points on the axon.</span>
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Muscle fibers are directly surrounded by which thin layer of connective tissue?
wlad13 [49]

Answer:

The correct answer will be- epimysium

Explanation:

Epimysium is the fibrous connective tissue envelope which surrounds the muscle fibers of the muscle as a whole.

The epimysium plays an important role in maintaining the muscle structure as it protects the muscle from the friction caused by the associated bones and the muscles. The epimysium is continuous with other layers called the endomysium, perimysium, tendons and the fascia.

Thus, epimysium is the correct answers.

 

4 0
3 years ago
Newly formed B cells which bind to autoantigens (self-antigens) will undergo apoptosis. This process is known as:
Aleksandr [31]

<em>I </em><em>Don't </em><em>No</em><em> </em><em>if </em><em>you </em><em>have </em><em>any </em><em>questions </em>

3 0
1 year ago
Match the organism to the infection: Group of answer choices Streptococcus pyogenes [ Choose ] Varicella zoster [ Choose ] Papil
slavikrds [6]

S. pyogenes causes Strep throat, Varicella zoster causes varicella, Papillomavirus causes HPV, E. faecium cause urinary tract infection B. burgdorferi causes Lyme disease and B. pertussis causes Pertussis.

<h3>What is Bordetella pertussis?</h3>

Bordetella pertussis is a  bacteria from the genus Bordetella that causes a respiratory disease known as Pertussis.

Moreover, Bordetella burgdorferi is another bacteria from genus Bordetella that causes Lyme disease, an illness whose symptoms include fever and fatigue.

In conclusion, Streptococcus pyogenes causes Strep throat, Varicella zoster causes varicella, Papillomavirus causes HPV, Enterococcus faecium cause urinary tract infection Borrelia burgdorferi causes Lyme disease and Bordetella pertussis causes Pertussis.

Learn more about Lyme disease here:

brainly.com/question/12185102

#SPJ1

3 0
2 years ago
What is the effect of differential reproduction over time?How is the sickle-cell allele maintained through natural selection?
ololo11 [35]

Answer:

Differential reproduction leads to a change in allele frequencies over time. This occurs because of natural selection favoring "successful" individuals that produce more viable offspring.

The sickle-cell allele is maintained in populations exposed to malaria through balancing selection, since heterozygous individuals have protection against the disease.

6 0
2 years ago
Help will mark Brainliest!!!
aleksandrvk [35]

Answer:

it is b

the principle here is redundancy, if you need hammers at your work site to do something important you should make sure you have more than one around

same thing here only you don't lose or break the hammer the genes are mutated and you lose that amino acid

Explanation:

6 0
2 years ago
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