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Which best describe the structure of DNA?
A.) Purine backbones with pyrimidines on the inside.
B.) Base backbones with sugar on the inside.
C.) Sugar-phosphate backbones with bases on the inside.
D.) A backbone of bases with phosphate groups on the outside.

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roytucker
A double helix structure, with a sugar phosphate backbone, and nucleotides. 
Nucleic acids arranged in a double helix ITS C NOT D 
briajade23

Answer: c

Explanation: a p e x 2020

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