Lecture_5 - Nucleic Acids • Bases nucleosides and...

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Unformatted text preview: Nucleic Acids • Bases, nucleosides, and nucleotides • Function of nucleic acids and nucleotides • Complementary base pairing • Double helix • The genetic code Learning Objectives unctions • Nucleic acids DNA and RNA are polymers responsible for storage, propagation, and expression of genetic information • Nucleotides are monomeric components of the nucleic acids • Free nucleotides and their derivatives are involved in metabolic processes not related to the management of genetic information unctions • Nucleotide derivatives function as energy carriers (e.g., ATP, adenosine triphosphate) and coenzymes (e.g., NAD + , nicotinamide adenine dinucleotide) itrogenous Bases • Bases are planar, aromatic, heterocyclic molecules • Bases are structural derivatives of either purine or pyrimidine • Nucleotides, the monomeric components of DNA and RNA, are composed of a nitrogenous base linked to a sugar to which a phosphate group is attached purine pyrimidine N N H N N N N Base, Nucleoside, and Nucleotide...
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Lecture_5 - Nucleic Acids • Bases nucleosides and...

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