Q What are the three parts of a nucleotide? What are the Three Parts of a Nucleotide? Please, help! Answer by expert Jack Hire an expert Our experts in all academic subjects are available 24/7. Don't hesitate to ask questions and start discussions whenever you need professional advice. A Answer: Each nucleotide consists of the following parts: Phosphate group Pentose sugar Nitrogenous base (adenine) Biology 4 years ago 243 Views