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Tju [1.3M]
3 years ago
8

The covalent backbone of DNA and RNA consists of: a. alternating phosphate groups and nitrogenous bases. b. alternating phosphat

e groups and pentose residues. c. alternating pentose residues and nitrogenous bases. d. alternating pentose residues and cyclic nucleosides. e. None of the answers is correct.
Biology
1 answer:
ivolga24 [154]3 years ago
6 0
B. alternating phosphate groups and pentose residues
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