How is a DNA molecule as a polymer different from a protein molecule?

1. The spatial structure, but provided that the protein has a primary structure, and DNA is standard for itself. The DNA molecule in the standard state is a double nucleotide chain, the complementary nitrogenous bases of which are linked by hydrogen bonds.
2. The type of bond between monomers of the same chain. A DNA molecule forms a phosphodiester covalent bond between the pentose of one nucleotide and the phosphate of another, and a protein peptide covalent bond forms in the primary structure.
3. Naturally, various monomers. Protein monomers are amino acids, DNA monomers are nucleotides.
4. The possibility of the presence of positive and negative charges – the DNA molecule due to phosphates always has a negative charge, proteins have amphoteric properties: their charge is determined by the ratio of amino and carboxyl groups in amino acids.

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