Question

the chain of molecules (polymer) of nucleic acids is called polynucleotide polypeptide polysaccharide polydactyly

Explanation:

Nucleic acids are made up of nucleotides. A polymer (chain of molecules) of nucleic acids is called a polynucleotide. A polypeptide is a polymer of amino acids (related to proteins). A polysaccharide is a polymer of simple sugars (like glucose). Polydactyly is a physical trait (extra fingers/toes) and not a polymer.

Answer:

polynucleotide