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AlekseyPX
3 years ago
14

The double helix of dna is which level of structure?

Biology
1 answer:
Vlad1618 [11]3 years ago
5 0
<span>The double helix of dna is which level of structure? a.Primary

</span>
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A single stranded nucleic acid that plays a role in protein synthesis. there are three different types.
Taya2010 [7]
<span>A single stranded nucleic acid that plays a role in protein synthesis is known as the messenger RNA or mRNA (messenger Ribonucleic Acid). The other two types of nuclei acids are transfer RNA or tRNA and ribosomal rNA or rRNA. These nucleic acids are involved in cellular division in cells, during which transcription and translation occurs.</span>
3 0
3 years ago
Which statement provides an example of epigenetics A. Genetic mutations arising every other generation B. Selective breeding of
irina [24]

Answer: d. mothering style affecting the developing brain

Explanation:

Epigenetics is the study of features or "phenotypes" which do not involve changes in the DNA sequence. Epigenetics is about how genes are expressed and used instead of the DNA sequence of the genes themselves.

The behaviour of a person's genes depends not only on the DNA sequence of the genes, but also on so-called epigenetic factors. Effects on genes from the external environment can affect disease, and some of these effects can be inherited in humans.

So, Mothering style which affects the brain development is an exampe of epigenetics which do not show any genetic feature.

Hence, the correct option is d.

6 0
3 years ago
PLEASE HELP ME ON BOTH QUESTIONS ASAP STOP SCAMMING ME!!!!!
Harlamova29_29 [7]

Answer:

1.b

2.a

3.c

QUESTION #6: A

Explanation:

Hope this helps!

5 0
3 years ago
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The answer youre looking for is A
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