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Molecular Biology 5 with Dr. Don DeWitt (v1 as of 1 / 11 / 06)
Building Blocks of Nucleic Acids Nucleic acids such as RNA and DNA are polymers made from the monomer building blocks called nucleotides, which are made up of a base (5 kinds) + a sugar (2 kinds) + a phosphate. To be completely correct, nucleic acids are polymers of monophosphate nucleotides. They are connected via a condensation reaction which creates a phosphodiester bond between sugars. (See Page 3) Other nucleotides are
known that
have more than one phosphate (e.g. adenosine triphosphate (ATP) which
has
three phosphates attached.)
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