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kotegsom [21]
3 years ago
7

Describe the base-pairing rules in any DNA molecule

Biology
1 answer:
In-s [12.5K]3 years ago
6 0
The selective pairing of adenine (A) with thymine (T) and guanine (G) with cytosine (C) is based on the number of hydrogen bonds established between one of the purine bases and the one pyrimidine bases
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Which accurately describes gymnosperms? Check all that apply. Some of them lose their leaves in winter.Some of them lack seeds.S
AleksandrR [38]
I think that correct answers are:
<span>Some of them lose their leaves in winter. (i.e. <span><em>Larix</em></span>)</span>
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</em>I don't think they are the oldest type of seed plants, since in the past the classes like progymnosperms and seed ferns existed prior to the gymnosperms. But question isn't absolutely clear to me and I can't be 100% sure.
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7 0
3 years ago
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A normal chromosome and its homolog carrying an inversion are given. The dot (•) represents the centromere. Normal: M N • O P Q
AlladinOne [14]

Answer:

Pericentric, inversion loop.

Explanation:

Chromosomal inversion may be defined as the rearrangement of chromosome that may get reversed and attached. Two main types of inversion are pericentric inversion and paracentric inversion.

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Thus, the answer is pericentric, inversion loop.

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