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Flauer [41]
1 year ago
15

What is the ionosphere? Where is it located?

Biology
2 answers:
Nadusha1986 [10]1 year ago
5 0

Answer:

thermosphere. the ionized part of earth's upper atmosphere.

Explanation:

dybincka [34]1 year ago
3 0

Answer: Located within the thermosphere, the ionosphere is made of electrically charged gas particles (ionized). The ionosphere extends from 37 to 190 miles (60-300 km) above the earth's surface. It is divided into three regions or layers; the F-Region, E-Layer, and D-Layer.

Explanation:

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Which section of the pre-mrna contains the protein-coding regions
raketka [301]

The exons of the pre -mRNA contain the protein -coding regions.

Pre mRNA is the first made mRNA transcript and requires undergo many post transcriptional modifications for the formation of a mature mRNA.

The exons are the regions of the pre-mRNA that are found in the mature RNA, after the splicing of introns takes place.

RNA splicing is the process in which the non-coding segments of the RNA, which are known as introns, are removed by the help of small nuclear ribonucleoproteins.  These SnRNPs make the spliceosome, which catalyzes the process of splicing.

After the introns are removed by the splicing process, the exons are covalently joined, which forms the mature mRNA.

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brainly.com/question/21312423

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1 year ago
Of the following, identity the system you would find in a human, but not in a flatworm.
Norma-Jean [14]
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3 years ago
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USPshnik [31]

Answer:

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Explanation:

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7 0
2 years ago
During respiration, members of the animal kingdom use ______ and then release ______ as a waste gas
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8 0
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What carries the three unpaired bases that are collectively called the anticodon?
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