Quick Review Cards for Medical Laboratory Science

Nitrogen Bases

Molecular Diagnostics

(MDx) Review 529

PURINES PYRIMIDINES BASE PAIRING # H BONDS IN BASE PAIR

DNA & RNA A, G C G-C 3

DNA only T A-T 2

RNA only U A-U 2

A = adenine, G = guanine, C = cytosine, T = thymine, U = uracil.