What is a polynucleotide chain? Short fast 1 minute answer

DNA sequences are chains of poly nucleotides that are unique and make genes, chromosomes in the cells.

a sequence of NUCLEOTIDES joined together. RNA generally consists of one polynucleotide chain, while DNA may consist of one chain (single-stranded DNA), or two chains bonded between the bases in a system of complementary pairing: adenine with thymine, guanine with cytosine (double-stranded DNA).

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