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Chemical structure of nucleotide showing at and gc pairing

Answer»

Explanation:

  • A PURINE base always pairs with a pyrimidine base or more SPECIFICALLY GUANOSINE (G) with Cytosine (C) and Adenine (A) with Thymine (T) or Uracil (U). Notice the G-C pair has three hydrogen bonds while the A-T pair has two hydrogen bonds.


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