DNA STRUCTURE

Descrição

A Level Biology Mapa Mental sobre DNA STRUCTURE, criado por Olivia Farrow em 07-01-2015.
Olivia Farrow
Mapa Mental por Olivia Farrow, atualizado more than 1 year ago
Olivia Farrow
Criado por Olivia Farrow quase 10 anos atrás
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Resumo de Recurso

DNA STRUCTURE
  1. Nucleotide structure -All combined through condensation reaction to form dinucleotide-
    1. Pentose sugar - Deoxyribose
      1. A phosphate
        1. An organic base
          1. Single Ring- Cytosine & Thymine
            1. Double Ring- Adenine & Guanine
          2. Pairing of Bases
            1. Contain Nitrogen
              1. Adenine & Guanine are double ring structures
                1. Longer molecules
                2. Thymine & Cytosine are single ring stuctures
                  1. Shorter molecules
                  2. Adenine is complementary to Thymine.
                    1. Two hydrogen bonds.
                    2. Each rung of DNA ladder must be the same length
                      1. Cytosine is complementary to Guanine.
                        1. Three hydrogen bonds.
                      2. Function of DNA
                        1. Very stable and can pass from generation to generation
                          1. Strands are joined by hydrogen bonds, allows them to separate during DNA replication and protein synthesis.
                            1. Carries immense amount of genetic material
                              1. Deoxyribose-phosphate backbone protects the genetic information from being corrupted by outside chemicals.

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