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BS 161 1st Edition Lecture 5 Outline of Last Lecture I Proteins Outline of Current Lecture II Introduction to nucleic acids Current Lecture Nucleic acid monomers play roles in energy currency regulation of processes and making up polynucleotides DNA and RNA Nitrogenous bases 2 types Pyrimidines structure has one carbon ring cytosine C in DNA and RNA thymine T in DNA only uracil U in RNA only Purines structure has two carbon rings Adenine A in DNA and RNA Guanine G in DNA and RNA Nucleotide base plus deoxyribose sugar plus one to three phosphates Nucleoside base plus deoxyribose sugar
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