Final answer:
DNA is the only polymer mentioned that contains nucleotides, essential for various biological functions.
Explanation:
Nucleic acids are polymers composed of monomers called nucleotides. DNA and RNA are examples of nucleic acids where each nucleotide consists of a five-carbon sugar, a phosphate group, and a nitrogenous base.
Out of the options provided, only DNA contains nucleotides. Cellulose, enzymes, and fatty acids do not contain nucleotides.
Nucleic acids are vital for life, made up of repetitive nucleotide units, and are essential for various biological functions.
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