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Cell, DNA REPLICATION, gene - Coggle Diagram

- - - - nuclear
        
        very ling strands, bound to histones
        
        in the nucleus, makes up most of the DNA -> chromosomes
      - mitochondrial DNA (mtDNA)
        
        small circular molecules not bound to histones
        
        found in mitochondria, cods for RNA transferer + enzymes for cellular respiration
    - - polymere of nucleotides
        
        phosphate group and sugar molecule + nitrogenous base attached (Adenine + thymine, Cytosine + guanine)
      - two strands twist -> double helix
      - how it joins
        
        Alternating phosphate + sugar -> backbone
        
        nitrogenous bases join via weak hydrogen base
        
        complementary base pairing