Question

what is the basic unit of all nucleic acids? nucleotides sugars dna amino acids

Explanation:

Nucleic acids like DNA and RNA are composed of nucleotides. Nucleotides consist of a sugar, a phosphate group, and a nitrogen - containing base. Sugars are part of nucleotides, DNA is a type of nucleic acid, and amino acids are the building blocks of proteins, not nucleic acids.

Answer:

A. Nucleotides