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26 part 1 - CHAPTER 26 Nucleic Acids deoxyribonucleic...

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CHAPTER 26 Nucleic Acids deoxyribonucleic acid (messenger) ribonucleic acid transfer RNA, ribosomal RNA
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DNA-dependent DNA polymerase DNA-dependent RNA polymerase ribosome DNA (deoxyribonucleic acid) and ( ib l i id) RNA (ribonucleic acid) are polymers of phosphoric acid, a sugar (ribose in RNA and deoxyribose in DNA) and four nitrogen RNA and deoxyribose in DNA), and four nitrogen bases (ACTG in DNA and ACUG in RNA).
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Bases can be in syn - or anti -conformation: Nucleoside = Sugar + Base Nucleotide = Nucleoside + Phosphate
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Nucleic acid strands can interact by base-pairing. Nucleic acids can form a double helix.
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Nucleic acids can form a double helix. i d bl h li i i f l l id DNA is a double helix consisting of two polynucleotide strands hydrogen-bonded to each other through their bases and running in opposite directions. The individual base pairing energies are: G C: 27 7 kcal mol -1 G-C: 27.7 kcal mol 1 A-T: 15.1 kcal mol -1 . Nucleic acids can form a double helix.
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