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Simora [160]
3 years ago
14

Binding of an eosinophil to an antibody-coated parasitic worm involves binding of the antibody's stem region to a(n) ______.

Biology
1 answer:
mestny [16]3 years ago
4 0

Answer:

plasma membrane protein on the eosinophil's surface

Explanation:

Eosinophils sometimes called acidophils are a part of the immune system. The responsible for fighting viral infections and parasites. Eosinophils expresses IgE- binding protein and a protein toxin, cathepsin on the plasma memberane surface along with the SNARE complexes.

Therefore, binding of an eosinophil to an antibody-coated parasitic worm involves binding of the antibody's stem region to a plasma membrane protein on the eosinophil's surface.

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What is used to classify volcanoes based on the strength of their eruptions?
Firdavs [7]

The answer you are looking for is the VEI scale, also known as the Volcanic Explosivity Index. The scale ranges from 1-8. Volcanic eruptions are classified due to how much volcanic material is ejected into the atmosphere, the height of the plume cloud, and how long the eruptions last. For example, the eruption of Mount Tambora in 1815 was a VEI 7 and caused the year without a summer. Volcanic eruptions in VEI 6 and 7 ranges are really rare, but VEI 8 eruptions are the rarest. VEI 8 eruptions are known as super eruptions, and they happen around every 100,000 years. Sorry, I got a little bit carried away. But, anyways, the VEI scale is the correct answer.  

6 0
3 years ago
Eukaryotic chromosomes contain two general domains that relate to the degree of chromatin condensation. These two regions are _
GuDViN [60]

Answer:

This question lacks options, options are: A) Heterochromatin and euchromatin

B) Uniform in the genetic information they contain

C) Separated by large sketches of repetitive DNA

D) Each void of typical protein-coding sequences of DNA

E) Void of introns.  

The correct answer is A.

Explanation:

The chromatin or substance that makes up the nuclei of cells and that results from the interaction of DNA with histonic and non-histonic proteins and RNA; it can present different degrees of packing or contraction. When chromosomes are stained with chemicals that bind to DNA, densely stained regions and less densely stained regions appear. Heterochromatin are segments of the chromosome that stain strongly and remain visible, practically, during the entire cell cycle. There are few genes in these regions and therefore low transcriptional activity. They are supercondensed regions. Euchromatin are segments of the chromosome that are not visible during telophase and interphase, only in metaphase. It corresponds to regions that are less compact and in which there is a higher gene density.

3 0
3 years ago
Write exactly 60 biological words about a cactus as plant​
lukranit [14]

Explanation:

hope it's help you dear

Download pdf
6 0
3 years ago
Keratin protects skin cell DNA from the damaging effects of ultraviolet (UV) radiation. Is this statement true or false?
VashaNatasha [74]
False; Melanin absorbs and dissipates the harmful UV rays that can damage the DNA of your skin cells. Keratin is a fibrous protein that helps to protect skin from abrasion.
7 0
3 years ago
Tell me if i'm correct please <br><br> Please don't lie either :(
vaieri [72.5K]

Answer:

the circled ones are the only wrong ones

1. FFBb instead of FfBb

2.FfBb instead of FfBf( i think this was just a typo)

3. FfBb instead of Ffbb

Explanation:

you did well!

5 0
3 years ago
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