Question

what forms the backbone of polypeptide stand of a nucleic acid​

Answer 1

Answer:

Peptide nucleic acids

PNA structures are not strictly natural biorecognition molecules, since they are a hybrid of a series of N-(2-aminoethyl)- glycine units making up the backbone structure (instead of the sugar–phosphate backbone of natural nucleic acids) with the standard bases bound to the peptide backbone.

Answer 2

Answer:

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