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Rom4ik [11]
3 years ago
6

What part of the nervous system do the nerves in your skin belong to?

Biology
1 answer:
Margarita [4]3 years ago
5 0
There are two sets of nerves in your skin. The first type are somatosensory neurons that send sensory information to your central nervous syste. The second set consists of autonomic fibers that control smooth muscle in the skin and the blood vessels in the skin.
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Your lab group is experimenting with the diffusion of molecules across a membrane. Dialysis tubing is used as a model cell membr
Margaret [11]

Answer: the membrane channel

Explanation:

In passive diffusion, the small water molecules can move across the phospholipid bilayer seen in blue. This layer acts as a semi-permeable or selectively permeable membrane; its hydrophilic heads are attracted to water (seen facing outwards) while its water-repellent hydrophobic tails face towards each other- allowing  molecules of water to diffuse across the membrane along the concentration gradient.

Thus the water will move from an area of high concentration  to an area of low concentration, until the system reaches a steady state called equilibrium- after this, there will be no net movement of water. Similarly via osmosis, the water passes through the membrane due to the difference in osmotic pressure on either side of the phospholipid bilayer this means that the water moves from regions of high osmotic pressure/concentration to regions of low pressure/ concentration to a steady state.

The dialysis tubing mimics a semi permeable membrane; it only allows water and small molecules of iodine to cross into the bag containing starch. The tubing is impermeable to starch;  these large molecules require the aid of protein omplexes called membrane channels, in order to move across the membrane and against the concentration gradient.

5 0
3 years ago
Most of cellular respiration take place in what
Sveta_85 [38]

the mitochondrion is where it takes place


5 0
3 years ago
Read 2 more answers
Please help on this i need this very much
Juli2301 [7.4K]

Answer:

The answer is C

Explanation:

This is also like in the state of diffusion

Diffusion is the process. by which substances mix thoroughly and intimately together with one another due to their random motion of particles

4 0
2 years ago
Read 2 more answers
What is the difference between cellular respiration and the combustion of fossil fuels?
madreJ [45]

Carbon is released into the atmosphere only during the burning of fossil fuels

Explanation:

During the process of fuel burning, carbon is released in the atmosphere. The human invented power plants, factories, cars and other vehicles releases carbon in the form of carbon di-oxide in atmosphere.  

However, the cellular respiration is similar to that of fuel burning as it is too a combustion process. But the carbon produced in this process fuels the inner cellular activities rather than releasing it in the atmosphere.

7 0
2 years ago
Read 2 more answers
In an effort to deal with an increasing number of immigrants
LekaFEV [45]

Answer:

Assuming that question asking the measures taken by the U. S. government in past the correct answer would be - opened a station for immigrants on Ellis Island in New York.

Explanation:

To deal with the elevation of the numbers of immigrants the U. S. government established an immigration station or point on Ellis Island located in New York City.

This station was opened in the year 1892. It was an entrance door for immigrants that come into the United States. South and Eastern Europe people were the majority of the immigrants that come these 60 years.

Thus, the correct answer is - opened a station for immigrants on Ellis Island in New York.

8 0
3 years ago
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