TIMELINE DNA

DNA TIMELINE

Àlex Boigues i Nil Rodriguez

1869

Friedrich Miescher

Discovery of nucleic acids

1910

Phoebus levene

Discovery of all the components of the DNA

Levene’s Tetranucleotideproposed that there were 4 nucleotides per molecule

1928

Frederick Griffith

Studied the epidemiology and pathology of 2 strains of Streptococcus pneumoniae

1944

Avery, MacLeod and McCarty

Determined the cause of the transformation in Griffith's Experiment

1944

Published in the Journal of Experimental Medicine February,

1952

Counting Nucleobasesm Used paper chromatography and UV spectroscopy to examine the abundance of the nucleobases and

1944

Hershey-Chase Experiments Used phages and radiolabeled phosphorus and sulfur, they concluded that DNA, not protein, was the genetic material.

19XX-20XX

DNA TIMELINE

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1950

Chargaff’s Rules

1950

Chargaff’s discovered then Adenine and Thymine, and Cytosine and Guanine always had balance, always A and T almost the same and C and G almost the same. In every living being he found always the same characteristics.

Inside-Out Double Helix

1951

This was the first model of the DNA, most of the people in the world looked at this model as if it was the right one. But it was not, since it was quickly shown to be incorrect and made no chemical sense.

Photo 51

1952

1950

This picture that Rosalind Franklin took, shows the X in the middle that shows the triple helix

1950

Double Helix Correction

1953

Watson and Crick brought the picture 51 to a lab and investigated it, they corrected their firs model and got a Nobel Prize for it.

Triple Helix

1957

In 1957 Linus Pauling and Robert Corey proposed a triple helix structure for DNA. It also turned out to be incorrect.

ALEX BOIGUES i NIL RODRIGUEZ

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With Genially templates, you can include visual resources to wow your audience. You can also highlight a particular sentence or piece of information so that it sticks in your audience’s minds, or even embed external content to surprise them: Whatever you like! Do you need more reasons to create dynamic content? No problem! 90% of the information we assimilate is received through sight and, what’s more, we retain 42% more information when the content moves.

• Generate experiences with your content.
• It’s got the Wow effect. Very Wow.
• Make sure your audience remembers the message.