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miv72 [106K]
2 years ago
6

A teacher is demonstrating that the boiling point of water does not change with water volume.

Biology
1 answer:
nalin [4]2 years ago
8 0

Answer:

heat 100ml and 300 ml of water and record the temperature when boiling occurs

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Although mining Is dangerous what advantage does coal have over other types of energy
ArbitrLikvidat [17]

Answer:

energy reduced fired plants

Explanation:

energy produced from coal fired plants is cheaper and more affordable than other energy sources

3 0
3 years ago
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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>

6 0
2 years ago
Please tell fast plzzzzzzz​
prohojiy [21]

Answer:

(a) and (d) are correct

Explanation:

AIDS is a disease that's usually transmitted by sexual contact and breast feeding.

8 0
2 years ago
What explains a child's growth over time?
garik1379 [7]

Answer:

New cells with identical DNA are created through cell division.

Explanation:

3 0
2 years ago
How can dna be useful in phylogeny? ​
Tpy6a [65]

Answer:

If DNA is shared it helps put the pieces of the tree together.

Explanation:

hope this helps luv

6 0
3 years ago
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