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BaLLatris [955]
3 years ago
13

What change is observed in leukocytes during an allergic disorder (type I hypersensitivity) often caused by asthma, hay fever, a

nd drug reactions?
Biology
1 answer:
blagie [28]3 years ago
5 0

Answer:

Increase in eosinophils.

Explanation:

The leukocytes are the white blood cell that plays an important role in the immune system. The white blood cell include eosinophil, basophil, neutrophil and monocytes.

The allergic reactions that are caused by hay fever or asthma is marked by the excess increase in the number of eosinophils in the body. The eosinophils are the first to reach at the site of parasitic infections and protect the body during the allergic reactions.

Thus, the answer is eosinophils.

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AZT is a reverse transcriptase inhibitor. How does this drug prevent the replication of a retrovirus
Artemon [7]

Answer:

AZT is a thymidine analog

Explanation:

Azidothymidine (AZT) is an antiviral drug used for the treatment of the Human immunodeficiency virus infection (HIV/AIDS) by preventing the transmission of HIV from infected cells. AZT is capable of suppressing the activity of the enzyme reverse transcriptase of the retroviral HIV genome, which enables it to copy RNA into DNA. In infected cells, this double-stranded DNA is integrated into the host genome which is then instructed to produce identical HIV copies. AZT is a thymidine analog that is incorporated into DNA and thus interferes with DNA synthesis, thereby inhibiting cell proliferation.

4 0
3 years ago
Fossils are used to determine a likely pattern of how vertebrates have changed over time.
Furkat [3]

Answer:

I believe so. The shapes and ect. of bones determine how animals are evolving and how they will evolve more.

Explanation:

I hope this helps by the way. I'm not completely sure tho.

8 0
2 years ago
Name three social benefits provided by biodiversity.
damaskus [11]

There are many benefits provided by biodiversity. It can be in our biological resources, ecosystem services and also social benefits. The three social benefits provided by biodiversity would be the following:

1. Research, education and monitoring 

2. Recreation & tourism 

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Explanation:

Biodiversity is “the variability among existing animals from all causes including temporal, marine and other aquatic ecosystems, and the environmental complex.

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7 0
2 years ago
Read 2 more answers
Write a paragraph of 3-5 sentences describing 1) whether the statement is correct or incorrect and 2) the reasoning for your ans
dusya [7]

Answer:

Incorrect

Explanation:

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6 0
3 years ago
Audrey wants to measure the height of her plant in Biology class. Which
Alla [95]

Answer:

I suggest a Tape measure

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