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maxonik [38]
3 years ago
8

There are natural events and human activities that can disrupt the equilibrium of an ecosystem. Name 3 pleae

Biology
2 answers:
FromTheMoon [43]3 years ago
4 0

Answer:pollution

habitat destruction

climate change

Explanation:

ANTONII [103]3 years ago
4 0
Pollution climate change habitat destruction
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B

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Lipids are important to living things for all of the following reasons, EXCEPT that they are
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In an analysis of the nucleotide composition of DNA, which of the following proportions will be found?
katrin [286]

Answer:

With respect to the composition of DNA, in an analysis it can be found that the proportions of nucleotides are A + C = G + T (option a).

Explanation:

The proportion of nucleotides in a DNA molecule can be established according to the sequence of these nucleotides on both complementary strands, since the purinic bases of one strand are complemented by the pyrimidinic bases of another:

  • <em>Adenine is complemented with Thymine A=T</em>
  • <em>Guanine is complemented with Cytosine G=C</em>

From this we can deduce that in a DNA molecule with two chains there will be the same amount of adenine and thymine, as well as the same number of guanine with respect to cytosine, so:

<em>     A + C = G + T</em>

An example of this would be a known DNA molecule (hypothetical), with 5 molecules of Adenine and 7 molecules of Guanine. In this case there are 5 Thymines, complementary with Adenine, and 7 Cytosines like Guanine:

<em>     A + C = G + T</em>

<em>     5 + 7 = 7 + 5</em>

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2 years ago
What is found between stars that looks like smoke?
kotegsom [21]

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gases of nitrogen and many more

7 0
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Read 2 more answers
Experiment B - How is tooth length influenced by natural selection?
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Tooth length is influenced by natural selection
when you have healthy teeth If you lose one
tooth chances are your other tooth will be
crooked until that tooth grows back in, Your
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But if you are not taking care of your teeth than
your teeth will not be strong enough to grow
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2 years ago
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