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Irina-Kira [14]
2 years ago
14

Eosinophils function in Eosinophils function in production of heparin. production of surface antigens for red blood cells. blood

coagulation. antibody production. destroying antibody-labeled antigens.
Biology
1 answer:
melomori [17]2 years ago
6 0

Answer:

Destroying antibody labeled antigens.

Explanation:

Eosinophils are type of cells of the immune system or white blood cells that help to fight against infections or diseases.

Eosinophils have several functions and these include: they help in

movement to inflamed areas, they trsp substances, killing cells or destroy cells anti-parasitic and bactericidal activity, participating in immediate allergic reactions, and modulating inflammatory responses.

Eosinophils destroy antibody labeled antigens so as to destroy or kill the antigens in order to fight against infections. Eosinophils are produced from the bonemarrow and are minutes in the body . The are released into the blood and later coagulate to function as defence mechanism.

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Arrange the events taking place during transcription in order: i) The pre-RNA undergoes processing ii) RNA polymerase moves down
Anastasy [175]

Answer:

RNA polymerase binds to the promoter

Polymerase initiates RNA synthesis at the start point on the template strand

RNA polymerase moves downstream unwinding the DNA

RNA transcript is released and polymerase detaches from the DNA

The pre-RNA undergoes processing

Explanation:

The promoter is the specific DNA sequence that serves as a binding site for RNA polymerase. The enzyme RNA polymerase recognizes the promoter sequence and binds to it to begin the process of RNA synthesis. The process of RNA synthesis begins at the start site where the process of the unwinding of DNA duplex is initiated.

The unwinding separates the two DNA strands at the start site where RNA polymerase begins the process of synthesis of the new RNA strand. The newly formed RNA strand and RNA polymerase are released from the template strand after the termination of the process.

In eukaryotes, the primary RNA transcript undergoes the process of splicing of introns, the addition of poly-A tails and 5' cap which in turn transform it into the mature mRNA.

8 0
3 years ago
What general type of mutation has the greatest effect on the protein produce
Lyrx [107]

Answer: The most serious of these mutations will be the insertion of 2 bases. Becasue the genetic code is read in triplets, a 2 base insetion will alter the reading frame of the code causing a frameshift mutation meaning every amino acid after the site of the mutation will be incorrect.

8 0
3 years ago
Name and describe each star phase.
Inessa [10]
(A nebula)
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(A star)
is a luminous globe of gas producing its own heat and light by nuclear reactions (nuclear fusion). They are born from nebulae and consist mostly of hydrogen and helium gas. 

(red giant)
This is a large bright star with a cool surface. It is formed during the later stages of the evolution of a star like the Sun, as it runs
out of hydrogen fuel at its centre.

(red dwarf)
These are very cool, faint and small stars, approximately one tenth the mass and diameter of the Sun. They burn very slowly and have estimated lifetimes of 100 billion years. 

(white dwarf)
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(Black holes)
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3 years ago
The predator-prey relationship is an example of commensalism.<br> True<br> False
katrin [286]

Answer is False

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A zebra mussel is discovered in a lake in Pennsylvania for the first time. Why would this make an ecologist worried?
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If a zebra mussel is discovered in a lake in Pennsylvania, then the ecologist would be worried because it is an invasive species. The zebra mussel is native to Ukraine and Russia, but if it has been found in Pennsylvania, than it means that it has been introduced in this area. As an invasive species, the zebra mussel can be very dangerous for the native species in the lake. The invasive species usually are more competitive for food sources than the native species, manage to reproduce quicker, bring in diseases, and the native species tend to not have defense mechanisms for them. This leads to rapid decline or even extinction in the native species, while the invasive spreads out quickly and takes over, resulting in dramatic change in the whole ecosystem.

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