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Alex Ar [27]
3 years ago
9

Which atom contains exactly 15 protons?

Biology
2 answers:
Dafna11 [192]3 years ago
6 0

Answer: Phosphorus

Explanation:

Lady_Fox [76]3 years ago
5 0
Phosphorus, hope this helps :)
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A segment of dna has 320 nitrogen bases. if 40 of them are cytosine, how many are thymine
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Correct answer - 120 for Thymine.

Why? - 320 Nitrogen bases.
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