Nucleic Acids

Beschreibung

A Levels Biology (Biology Unit 2) Mindmap am Nucleic Acids, erstellt von Jessica Phillips am 13/05/2015.
Jessica Phillips
Mindmap von Jessica Phillips, aktualisiert more than 1 year ago
Jessica Phillips
Erstellt von Jessica Phillips vor mehr als 9 Jahre
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Zusammenfassung der Ressource

Nucleic Acids
  1. Transcription
    1. Unwind gene length
      1. H bonds break
        1. Free RNA nucleotides to leading strands complementary base pairings
          1. mRNA leaves
            1. DNA recoils
    2. Translation
      1. mRNA attaches to ribosome
        1. Triplet code, 3 bases per amino acid
          1. Coden on mRNA = 3 bases
            1. tRNA brings amino acid, anti-codon base pairs to codon
      2. Replication
        1. Semi conservative
          1. N15 grow organisms
            1. Grow in N14 for 1
              1. Take sample and centrifuge
                1. Repeat
          2. Unwind (helicase)
            1. Free DNA nucleotides complementary base pair
              1. DNA polymerase sugar phosphate (covalent phosphodiester) - condensation reaction
          3. Subunit for DNA and RNA
            1. DNA
              1. Double helix
                1. Deoxyribose sugars
                  1. Sugar-phosphate backbone
                    1. Nitrogenous bases
                      1. Purines
                        1. Adenine
                          1. Guanine
                          2. Pyrimidines
                            1. Thymine
                              1. Cytosine
                            2. Antiparallel strands
                              1. Hydrogen bonding
                                1. Complimentary base
                                  1. A=T
                                    1. C=G
                                  2. RNA
                                    1. Single strand
                                      1. Ribose sugar
                                        1. Uracil replaces thymine
                                          1. Less stable
                                            1. Usually found in cytoplasm
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