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Part 2 Structure and Catalysis

Chapter 12 Nucleotides and Nucleic Acids

  • Some Basics
  • Nucleotides Have Characteristic Bases and Pentose
  • Phosphodiester Bonds Link Successive Nucleotides in Nucleic Acids
  • Nucleic Acid Structure
  • DNA Stores Genetic Information
  • DNAs Have Distinctive Base Compositions
  • DNA Is a Double Helix
  • Certain DNA Sequences Adopt Unusual Structures
  • Messenger RNAs Code for Polypeptide Chains
  • Messager RNAs code for Polypeptide Chains
  • Nucleic Acid Chemistry
  • Double-Helical DNA and RNA Can Be Denatured
  • Nucleic Acids from Different Species Can Form Hybrids
  • Nucleotides and Nucleic Acids Undergo Nonenzymatic Tansformations
  • DNA Is Often Methylated
  • Long DNA Sequences Can Be Determined
  • The Chemical Synthesis of DNA Has Been Automated
  • Other Functions of Nucleotides
  • Nucleotides Carry Chemical Energy in Cells
  • Nucleotides Are Components of Many Enzyme Cofactors
  • Some Nucleotides Are Intermediates in Cellular Communication
  • Summary
  • Further Reading
  • Problems

    • Previous PageNext PagePrevious ChapterNext ChapterTo the very beginingContent of Principles of BiochemistryTo GlossarySee the instruction