nucleic acids - DNA Nucleotides GMP Guanosine monophosphate...

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Nucleic Acids Store, transmit, and use genetic info Polymers of nucleotides Two types
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DNA Deoxyribonucleic acid Stores genetic information Transmits genetic information
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RNA Ribonucleic acid Uses genetic information Messenger RNA (mRNA) Ribosomal RNA (rRNA) Transfer RNA (tRNA)
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Information Flow DNA-> RNA-> protein 1 2 3 Synthesis of mRNA in the nucleus Movement of mRNA into cytoplasm via nuclear pore Synthesis of protein NUCLEUS CYTOPLASM DNA mRNA Ribosome Amino acids Polypeptide mRNA
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Nucleotides Composed of three parts Nitrogenous base Nucleoside O O O - - O P CH 2 5’C 3’C Phosphate group Pentose sugar (b) Nucleotide O
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Fig. 5-27c-1 (c) Nucleoside components: nitrogenous bases Purines Guanine (G) Adenine (A) Cytosine (C) Thymine (T, in DNA) Uracil (U, in RNA) Nitrogenous bases Pyrimidines
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Fig. 5-27c-2 Ribose (in RNA) Deoxyribose (in DNA) Sugars (c) Nucleoside components: sugars
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Unformatted text preview: DNA Nucleotides GMP Guanosine monophosphate AMP Adenosine monophosphate CMP Cytidine monophosphate TMP Thymidine monophosphate Nucleotides: RNA base (uracil) phosphate group sugar (ribose) OH OH OH GMP Guanosine monophosphate AMP Adenosine monophosphate CMP Cytidine monophosphate UMP Uridine monophosphate Phosphodiester Linkage Covalent bonds between adjacent nucleotides Between OH on 3 C and OPO 3 2-on 5 C Nucleotide Polymers Polar Sugar-phosphate backbone Nitrogenous base appendages Nucleotide sequence 3C 5C 3C 5C OH O O O O DNA Structure Double helix- Antiparallel- Sugar phosphate backbones-Nitrogenous bases-Complementary base pairing RNA Structure Single stranded DNA vs. RNA...
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This note was uploaded on 10/20/2008 for the course BIO 311C taught by Professor Satasivian during the Fall '08 term at University of Texas at Austin.

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nucleic acids - DNA Nucleotides GMP Guanosine monophosphate...

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