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VladimirAG [237]
2 years ago
14

Describe the relationship and differences between chromatin, chromosomes, and sister chromatids

Biology
1 answer:
PtichkaEL [24]2 years ago
7 0
Chromatin is dna that makes a chromosome and chromosomes are different dna strands in a cell, sister chromatids are identical pieces of dna
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Assess whether urban or rural areas are more likely to have high levels of smog.
yan [13]

The urban areas are more likely to have smog than the rural areas.

Urban area can be referred to as the town or city with advances an developments. Since the urban areas have more population density, more electronic items, vehicles and also industries, that is the reason why they are more likely to produce the smog or any other form of pollution.

Smog is a type of air pollution formed dye to the combination of smoke and fog. The most common source of smog is the burning of coal. This can be either due to industries or the fuels of vehicles. Fog can be of two types: Photochemical smog and industrial smog.

To know more about smog, here

brainly.com/question/15728274

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6 0
1 year ago
What is an example of a relationship between organisms in which an organism produces energy that is used by another organism to
agasfer [191]

Answer:

Tree frogs use plants as protection. Golden jackals, once they have been expelled from a pack, will trail a tiger to feed on the remains of its kills. Goby fish live on other sea animals, changing color to blend in with the host, thus gaining protection from predators.

Explanation:

4 0
3 years ago
Which of the following are possible treatments for multiple sclerosis? There may be more than one correct answer. Which of the f
fenix001 [56]

Answer:

--Block immune cells from crossing the blood brain barrier.

--Stimulate the regeneration of myelin.

Explanation:

Multiple sclerosis or shortly known as MS is an unpredictable disease caused in the humans. Multiple sclerosis affects the central nervous system of our brain which causes the disruption in the flow of the information within our brain, and between our brain and the body.

It is a very rare disease.

The symptoms of MS may vary and includes double vision, weakness, fatigue, impaired coordination, pain, etc. Though there is no permanent cure for MS but scientist and doctors around the world suggest that by blocking the immune cells and stopping them from crossing our blood brain barrier can prevent this disease.

Multiple sclerosis can also be prevented by stimulating the myelin to regenerate.

8 0
3 years ago
What is the MAIN way the skin prevents pathogens from entering the body?
Novosadov [1.4K]
T<span>he MAIN way the skin prevents pathogens from entering the body is B. by acting as a barrier.
Our skin is a barrier between blood and tissues inside and everything found outside of our body. The skin protects us from various kinds of pathogens by shielding us from them.
</span>
4 0
3 years ago
Read 2 more answers
The sympathetic chain of ganglia is found at the __________ levels of the spinal cord.
torisob [31]

Answer:

lateral and venteral

Explanation:

the chain extends from the upper neck down to the coccyx, forming the upward coccygeal gangilion

8 0
2 years ago
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