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Stells [14]
2 years ago
13

When a neuron carries the electrical potential of _____ millivolts, it is in the state called _____?

Biology
1 answer:
Finger [1]2 years ago
7 0
When a neuron carries the electrical potential of -70 millivolts, it is in the state called RESTING POTENTIAL. At the resting stage of the neuron, the inside of the neuron is 70 millivolts less than the outside. At this stage, there are more sodium ions outside the neuron and more potassium ions inside the neuron.
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What is an advantage of using fossil fuels to generate electricity? Using wind power is less expensive than burning coal. Fossil
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I’d say B is the best choice

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How have the characteristics of each kind of cell put limitations and provided opportunities for the survival and divergence of
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Water and carbon are major components of all life.Prokaryotic and eukaryotic are the two major categories of cells making up life on earth.
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2 years ago
Waat phenotype has the greatest frequency in a trait that follows a normal distribution
Neporo4naja [7]

Answer:

A phenotype is the physical observations of anything, really. For example, lazuli bunting (a bird species) has feathers that range from dull brown to bright blue. the dull brown and bright blue birds are best at mating. adult males are aggressive toward the bluish-brown birds. The greatest frequency here is that 2 seperate colors are able to mate best, yet, the mixed birds are attacked.

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2 years ago
Explain how the reproductive strategies of mosquitoes and elephants help them overcome the natural threats of their environments
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Mosquitos are an example of organisms with r-reproduction strategy. This means that they tend to overproduce, have many offspring , but do not provide care for them. This happens because those organisms  live in unstable, unpredictable environments, so rapid reproducing is very important. R strategy helps them produce a huge number of offspring, because at least some of them will survive to reproduce.  

Elephants are an example of organisms with k-reproduction strategy, meaning that they have few offspring at a time, take care of them and have a long live span. These organisms occupy more stable environments, usually are stronger, better protected and more energy efficient. Their reproductive strategy is to grow slowly and to produce offspring with high probability of survival.


4 0
2 years ago
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A child falls and suffers a deep cut on her leg. The cut went through her skin and she is bleeding. Which of the following defen
Vesnalui [34]

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The correct answer is option C) phagocytosis in the inflammatory response.

Explanation:

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The system is responsible for <u>identifying the antigens and destroying them.</u> The antigens are all bacteria, harmful viruses and dead substances that are found on the cells. Our system has its own proteins that are HLA antigens. But as these are normal for the body, it does not counterattack them.

There are <u>several defense mechanisms that work as barriers</u> to prohibit the passage of any bacteria that harm us, and one of these mechanisms is inflammation.

In this case, when our body suffers some kind of injury from a bacterium, a cut or a blow, the damaged cells release substances that spill onto the tissue through the blood vessels, causing inflammation.

This allows the foreign substance to be “locked up” and cannot enter the body.

These spilled substances also attract white blood cells, which are called phagocytes which<u> are responsible for eating dead germs and cells</u> through the phagocytosis process.

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