MCAT - DNA/RNA Bases
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nucleoside
contain a five carbon sugar bound to a nitrogenous base (lack phosphates on 5' carbon)
nucleotide
nucleosides with one to three phosphate groups (contain deoxyribose in DNA, ribose in RNA)
C6-C4, N1-N3
A-U Pairing
C6-C4, N1-N3
Adenine-Thymine Pairing
Pyrimidine
C,U,T, single aromatic ring
Purine
G,A, double ringed, 6 member and five member
C6-C4, N1-N3, C2-C2
G-C pairing