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NARA [144]
3 years ago
5

PLEASE HELP!!!!! WILL GIVE 50 POINTS

Biology
1 answer:
Anuta_ua [19.1K]3 years ago
4 0
A is the best answer
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The mass is made up of protons and neutrons, the valence electrons only determine stability, not mass
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2. What are individual characteristics? Give an example of an individual characteristic?
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Answer:

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Explanation:

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When examining the two complementary strands of nucleotides in one DNA molecule, it would be expected that the sum of ________ i
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Explanation:

When a segment of DNA is examined then the nucleotide in one DNA molecule, it will be expected that the sum of purine in one strand will be equal to the sum of the pyrimidine in the other strand.

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