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ryzh [129]
4 years ago
11

How does the immune system work together with the circulatory system to function properly? A. The white blood cells of the immun

e system fight and destroy pathogens. B. Red blood cells move through the body (to parts where they are needed) in the blood vessels of the circulatory system to fight infection. C. The infection site receives oxygen-depleted blood from the circulatory system's arteries, so the immune system works harder. D. Pathogens released by immune cells cause increased blood flow to the infection site, which brings other pathogens to the area more.
Biology
1 answer:
lukranit [14]4 years ago
7 0
A. The white blood cells of the immune system fight and destroy <span>pathogens is the correct answer to how the immune system and circulatory system work together to fight infection. </span>
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Who was responsible for "cracking the code" of DNA by establishing what amino acids are coded for by which codons, and when was
Akimi4 [234]

Answer:

The correct answer is- Nirenberg and Heinrich, 1961.

Explanation:

Experiments by Marshall Nirenberg and Heinrich Matthaei in 1961, began to decipher genetic codes and state about the 64 triplet codons in the genetic code by using mRNA from DNA to translate into specific amino acids in our biological system.

Their experiment helps to decode or crack the code of DNA by establishing the first codon out of 64 triplet codes which are  UUU codes for phenylalanine. In the future, the same approach is used to find other amino acids.

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No, Giardia is a protozoan that does not cause eosinophilia.

Explanation:

Eosinophilia refers to an increase in the number of eosinophils in the blood. The eosinophil is one of the white blood cells. When this occurs, the circulating eosinophils might be over 400 or 500.

Many factors might cause. One of them is parasite infections, in which helminths trigger the IgE generation, producing eosinophilia.

In the presence of the parasite antigen, eosinophils have a shorter medullar generation time, and they express a higher number of receptors for IgE and IgG. Their function is to damage the parasite, directly or indirectly, and to decrease the damages caused by their presence.

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