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How many types of nucleotides are in dna, and how do they differ?
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How many types of nucleotides are in dna, and how do they differ?

User Matin Ashtiani
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There are 4 nucleotides. Guanine (G), Cytosine (C), Thymine (G) and Adenine (A).
C and T are called pyrimidines, and are longer than G and A.
G and C connect using 3 hydrogen bonds, but A and T bond using only 2.
User Vlax
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