DNA STORY
Storyboard Text
- you know everyone thinks that James Watson and Francis Crick discovered DNA? in the 1950s. But this is not true i discovered the dna first
- are you kidding me will you please tell me how you discover DNA?
- yes i can......you know i am Swiss chemist called Johann Friedrich Miescher and i setup a experiment on WBC.
- OH OKAY...I AM BHAVNA WILL YOU PLEASE TELL ME THE WHOLE DNA STORY
- YESS...WHY NOT....
- I noticed that, when I added acid to a solution of the cells, a substance separated from the solution.
- I carried out experiments using salt solutions to understand more about what makes up white blood cells.
- OH NICE.....THIS IS GREAT
- I called this mysterious substance ‘nuclein’. Unknown to ME , I had discovered the molecular basis of all life – DNA.
- BUT THAT time i was not confident on my research so I hesitated for long periods of time between experiments before i published my results in 1874. and after that my german friend Albrecht Kossel. invented the 5 neucleotides
- yeah i know about Albrecht Kossel he recieved NOBEL PRIZE in 1910 for his work.
- OHKAY BHAVNA....NOW I HAVE TO GO ....WISH YOU GOOD LUCK
- OHKAY SIR.....NICE TO MEET YOU SIR AND THANK YOU FOR PROVIDING SUCH A GREAT DISCOVERY AND KNOWLEDGE.
- ONE DAY I WILL ALSO DO A GREAT RESEARCH LIKEJOAHNN SIR.
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