Biology, asked by prem1999, 1 year ago

the 2 polynucleotide chains in dna are?

Answers

Answered by Anonymous

Answer:

Explanation:

heya prem

The nitrogenous bases found in DNA are, adenine, guanine, cytosine and thymine. DNA molecules have two polynucleotide chains, held together in a ladderlike structure. The sugar phosphate backbones of the two chains run parallel to each other in opposite directions.

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