Principles of Biochemistry

7.1.3.4 Structure of nucleotides

There are six classes of nutrients that contribute to an adequate diet. Nucleotides are the nucleosides phosphorylated one or more of the hydroxyl groups of the sugar. The nucleotides present in nucleic acids are

DNA = Adenine │ + 2-deoxyribose +phosphate

Guanine │

Cytosine |

Thymine │

RNA = Adenine │ +ribose +phosphate

Guanine │

Cytosine |

Uridine |

Nucleotides of RNA