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Taya2010 [7]
3 years ago
10

Describes the structure of nucleic acids

Biology
1 answer:
dem82 [27]3 years ago
3 0

The secondary structure is responsible for the shape that the nucleic acid assumes. The bases in the DNA are classified as purines and pyrimidines. ... A purine base always pairs with a pyrimidine base (guanine (G) pairs with cytosine (C) and adenine (A) pairs with thymine (T) or uracil (U)).

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