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Vadim26 [7]
3 years ago
5

To replace burned skin, doctors can successfully transplant replacement skin taken from another part of the body of the burn vic

tim. Which statement best explains why the transplanted skin is not rejected?(1) The transplanted skin is damaged, makingthe immune system nonfunctional.(2) The antigens of the replacement skin are the same as those of the damaged skin.(3) Burn victims lose so much blood that white blood cells cannot cause an immune response.(4) There is no blood supply to the skin, so mixing of antigens does not occur.
Biology
1 answer:
SashulF [63]3 years ago
6 0

Answer:

Option (2).

Explanation:

Skin may be defined as the largest organ of the body. Skin provides the first line of defense in the organisms. The skin secretes different enzymes and chemicals that kill the pathogens.

The patient with the burned skin are more susceptible to the pathogen and has weakened immune system. To cover the burned skin surface, skin can be taken from the other body parts as the skin has the same property and shows the same antigen as the replaced skin.

Thus, the correct answer is option (2).

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Revise this sentence by replacing all gerunds with infinitives.
vekshin1

Answer:

Please see below

Explanation:

I always tell people that I love to dance, to write and to paint.

The verb keep cannot take an infinitive afterwards so it is better to replace that expression  altogether with another one that means the same thing, but that can use an infinitive. The verb love can take either gerunds or infinitives afterwards with only a subtle variation in the meaning.

5 0
3 years ago
How does static electricity work?
alekssr [168]

Answer:

"Static electricity is the result of an imbalance between negative and positive charges in an object. These charges can build up on the surface of an object until they find a way to be released or discharged. One way to discharge them is through a circuit. ... Remember, objects with the same charge repel each other."  ~  www.loc.gov

Essentially saying that if you have a lot of friction, it will create a positive and negative electric charge, this electric charge also contains a small magnetic field which is static electricity.

Explanation:

May I have brainliest please? :)

5 0
3 years ago
How might the study of meteorites help astronomers determine the origin of meteoroids?
olganol [36]

Answer:

Through the study of meteorites, their chemical composition of silicates—material made of silicon and oxygen. Others contain metal—nickel and iron. Knowing what the meteorite was composed of lets you know where it came from. Chondrites are composed of hardened lava - this is occurred at the beginning of the solar system (4.5 mya). Carbonaceous chondrites contain carbon and water which formed away from the sun.

Explanation:

4 0
3 years ago
Suppose there are two genes on two different chromosomes, one gene called G and the other called D. An individual has the genoty
Ronch [10]

Answer:

as the question does not contains image i have  already mentioned the link to image in ask for detail section therefore i will answer according to that image.

the answer is "B"

Explanation:

Because before crossing over but after duplication both chromosomes will have same alleles as GgDd therefore according to the image the answer will be option "B". as this option showed duplicated chromosomes.

7 0
3 years ago
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Recombinant DNA technology is used to produce all of the following EXCEPT
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<span>Culturing unknown organisms, if this is the same as these answers: 
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<span>c. insertion of genes from humans or plants into bacteria or viruses </span>
<span>d. culturing unknown organisms </span>
<span>e. amplification of DNA for microbe identification</span>
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3 years ago
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