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svetoff [14.1K]
3 years ago
5

Help! 30 points!

Biology
1 answer:
Sav [38]3 years ago
6 0
<span>The </span>portion<span> of </span>Europe inside the<span> interior of the </span>northern<span> Circle where the </span>day-star<span> is in the </span>atmosphere<span> pretty late at </span>twilight<span> in the </span>summertime. <span>The arctic domain are named the 'lands of the </span><span>midnight sun</span>' since in the summertime, the day-star<span /><span> never sets.</span>
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A strand of DNA in a skin cell contains the bases: A-T-G-C-C-A-T-C-G-G-T-A After the cell is exposed to ultraviolet light, the s
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Answer:

<h2>A</h2>

Explanation:

1. As given, the of a strand DNA contain sequence;

A-T-G-C-C-A-T-C-G-G-T-A,

2. After exposure to UV light, the strand contain the bases;

A-T-G-G*-C-C-A-T-C-G-G-T-A,

3. By comparing both the strands, we find that, the strand of DNA after exposure to UV contain extra G nucleotide between G and C, which is resulted by an insertion.

So we can say that, a new base has been inserted.

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Explain the process of evolution through isolation that results in speciation.
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Explanation:

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