BIOL 2170 Chapter Three Notes
BIOL 2170 Chapter Three Notes BIOL 2170
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This 2 page Class Notes was uploaded by chelsea1023 on Tuesday September 8, 2015. The Class Notes belongs to BIOL 2170 at University of Toledo taught by Dr. Deborah Chadee in Summer 2015. Since its upload, it has received 26 views. For similar materials see Fundamentals of Life Science: Biomolecules, cells, and Inheritence in Biology at University of Toledo.
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Date Created: 09/08/15
Chapter Three Nucleic Acids and the Encoding of Biological Information Griffith Injected mice with different types of bacteria to see what effect they each have on the mice 0 Nonvirulent mouse stays healthy Virulent mouse dies 0 Killed virulent mouse stays healthy 0 Killed virulent and nonvirulent mouse dies Replication copying genetic information from one DNA into another DNA Central dogma DNAgt Transcription nucleusgt RNA gt Translation cytoplasm gt Protein Nucleotides contain a phosphate group and a deoxyribose sugar Purines adenine and guanine Pyrimidenes thymine and cytosine Adenine and thymine pair by a double bond cytosine and guanine pair by a triple bond Sugarbase nucleoside Sugerbasephosphate nucleotide Nucleotides are ALWAYS added to the 3 end Chargaff found which bases pair with which AT CG DNA replication parental strands give a template for daughter strands to be synthesized also known as semiconservative replication Chromatin is composed of histones and DNA histones bind to the DNA RNA is more unstable than DNA DNA vs RNA DNA Deoxyribose o A C T G Monophosphate Very large 0 Double strand 0 Ribose o A C U G Triphosphate Small 0 Single stranded Initiation and termination factors are needed for transcription RNA polymerase 2 adds nucleotides to 3 end The polyA tail is added to the 3 end
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