Experimentos adn
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Experimentos adn Presentation Transcript

  • 1. EXPERIMENTOS con ADN Jorge Suarez Fabián Guerrero Daniela Acuña Luis Ruales
  • 2. Historia • 1869 – Miescher: Aísla la molécula de ADN (Nucleina). • 1950 – Chargaff: “Reglas de Chargaff” • 1952 - Rosalind Franklin: Difracción de rayos X del ADN • 1957 - James Watson y Francis Crick: Modelo de doble cadena, helicoidal, complementario y antiparalelo.
  • 3. Friedrich Miescher • Leucocitos y espermatozoides de salmón. Extrajo Nucleína C, H, O y N
  • 4. Alfred Hershey y Martha Chase • Estudiaron la genética de macrófagos. • El virus utiliza a la bacteria para reproducirse • Átomos radiactivos de fósforo 32P y azufre 35S
  • 5. Rosalind Franklin • Técnica de difracción de rayos X.
  • 6. James Watson y Francis Crick: