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Ket [755]
4 years ago
15

How do identical twin forms

Biology
2 answers:
MrMuchimi4 years ago
7 0

Answer:

B

Explanation:

gregori [183]4 years ago
3 0
I believe that the answer is B. a fertilized egg splits in two but I could be wrong
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What inferences can you make regarding the pH of a particular part of the digestive system and the type and relative size of the
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The pH of the stomach in the digestive system is known to be very low, and acidic, so it can break the bonds between molecules, to which the nutrients diffuse into your blood, energizing you.
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3 years ago
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
3 years ago
Case study - are invading bullfrogs harmful?
andrew-mc [135]
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Decline in the population of the native species will throw the ecosystem into a condition of imbalance which will eventually affect all the living organisms that are living in that ecosystem.
4 0
3 years ago
Temperature is a way to measure the ___________ energy of particles of matter.
Fed [463]

Answer:

Kinetic

Explanation:

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3 0
2 years ago
What type of change alters the form or appearance of matter but does not turn any substance in the matter into a different subst
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Answer:

physical change alert the form of appearance of the matter but does not turn any substance in the matter into a different substance.

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3 years ago
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