Averys Experiment Biochemical nature of transforming principle Avery MacLeod McCarty experiment

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#AverysExperiment • Avery-MacLeod-McCarty Experiment • Oswald Avery and colleagues expanded upon the findings of Frederick Griffith to demonstrate that DNA is the genetic material • They prepared cultures containing the heat-killed S strain and then removed lipids and carbohydrates from the solution • Next they treated the solutions with different digestive enzymes (DNase, RNase or protease) to destroy the targeted compound • Finally, they introduced living R strain cells to the culture to see which cultures would develop transformed S strain bacteria • Only in the culture treated with DNase did the S strain bacteria fail to grow (i.e. no DNA = no transformation) • This indicated that DNA was the genetic component that was being transferred between cells • Despite this finding, the scientific community was reluctant to accept the role of DNA as a genetic material • It was only 8 years later, when Hershey and Chase conducted their experiment, that the concept gained traction • 1)To know about the structure of Plasma membrane, click on the below link. • Plasma Membrane • 2)To know about the functions of Plasma membrane, click on the below link. https://www.youtube.com/watch?v=R_GoW... • 3) To know about the functions of Plasma membrane - Osmosis, click on the below link. • Membrane Transport | Osmosis | Endosm... • 4) To know about the functions of plasma membrane – Simple diffusion and facilitated diffusion, click on the below link. • • Simple Facilitated diffusion | Plas... • 5) To know about the functions of plasma membrane – Active transport, click on the below link. • • Active transport | Function of Plasma... • 6) To know about the functions of plasma membrane – Endocytosis and Exocytosis, click on the below link. • • Endocytosis Exocytosis | Bulk trans... • 7) To know about the Levels or Grades of organization, click on the below link - • Levels or Grades of organization|Prot... • 8) To know about the Germ layer, click on the below link – • • Germ Layers | Formation | Ectoderm | ... • 9) To know about the Spermatogenesis, click on the below link – • • Spermatogenesis | Stages of spermatog... • 10) To know about the Histology of mammalian testis, click on the below link – • • Histology of Mammalian testis | Male ... • 11) To know about the Oogenesis, click on the below link – • • Oogenesis | Gametogenesis | Ovary | O... • 12) To know about the Nucleus, click on the below link – • • Nucleus | Structure | Nuclear envelop... • 13) To know about the Double helix model of DNA, click on the below link – • • Double helix model of DNA | Watson an... • 14) To know about the Packaging of DNA, click on the below link – • • Packaging of DNA helix | Nucelosome m... • 15) know about the Griffith’s Experiment, click on the below link – • • Griffith's Experiment | Transforming ... • Vidya Bhat

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