All are part of a nucleotide except— – Pentose sugar – Nitrogenous base – Phosphate group – Fatty acid tail – All of the above are parts of a nucleotide

Fatty acid tail is not part of a nucleotide. Nucleotides are composed of a pentose sugar, a nitrogenous base, and a phosphate group. Fatty acid tails are components of lipids, not nucleic acids.