Introducing
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
1
The Road To DNA
DNA Timeline Criteria
Gregor Mendel
In 1865 Gregor Mendel published thr resuts he received from his 8 year experimentation. He founded the three laws of hereditary:
- Law of Segregation
- Law of Independent Assortment
- Law of Dominance
Friedrich Miescher
In 1869 Friedrich Miescher was able to isolate the nuclein. He wa the first p to identify DNA as its own molecule. Miescher laid the groundwork for the molecular discoveries that followed.
Friedrich Miescher
Fredrick Griffith
Fredrick Griffith
In 1928 Fredrick Griffith conducted many experiments using bacteria and mice. Griffith was trying to uncover a vaccine for pneumia but discovered the process of transformation, he found out that cells can transfer DNA.
Phoebus Levine
Phoebus Levine was an organic chemist in the 1900's. In 1894 by removing an oxygen atom he discovered 2-deoxyribose, which is apart of DNA
Phoebus Levine
William Astbury
William Astbury
In 1931 William was the first to bring up the idea that hyrdogen bonds contribued to being able to stabilize the protein structures
Thomas Hunt Morgan
Thomas Hunt Morgan
Thomas morgan was awarded a nbole piece price for medicine for his discovery of how the chromosome lpayed a role in hereditary.
Maclyn McCarty, Colin Macled, Oswald Avery
In 1944 McCarty, Macleod, and Avery idnetify the DNA as theprinciple rsponsibel for the specific characteristcs in DNA
Erwin Chargraff
In 1950 He had discovered that there were 3 rukes that led to te correct formation of DNA . The three rules were known as Chargraff rukes which were:
- The number of adenine was equal to the number of thyine
- Teh number of guanine was equal to the number of cytosine
- The numeb rof purines is equal to the number of piyriminades
Alfred Hershey, Martha Chase
In 1952, Alfred Hershey and Martha Chase conducted a series of experiments to prove that DNA was the genetic material
Alfred Hershey, Martha Chase
Rosalind Franklin
In 1951 Franklin was able to get two sets of high-resolution photos of crystallized DNA fibers. She relaized that the basic dimensions of DNA strands the phosphates were on the outside of what was probably a helical structure.
Linus Pauling
In 1953 Pauling decided that DNA was indeed a three-chain helix with the bases facing outward and the phosphates in the core. Pauling was finally convinced that his structure was wrong and that Watson and Crick had solved DNA.
James Watson, Francis Crick
James Watson, Francis Crick
In 1953 James Watson and Francis Crick discovred te dpuble helix structure of DNA. "Indeed, Crick and Watson feared that they would be upstaged by Pauling, who proposed his own model of DNA in February 1953, although his three-stranded helical structure quickly proved erroneous."
George Gamow
In 1954 he proposed the concept of a genetic code and maintained that the code was determined by the order of recurring triplets of nucleotides, the basic components of DNA.
George Gamow
Marhsall Nirenburg
In 1961 Marshall Nirenberg, discovered the first triplet a sequence of three bases of DNA that codes for one of the twenty amino acids that serve as the building blocks of proteins.
Marhsall Nirenburg
H. Gobind Khorana
In 1961 he continued working on nucleotide synthesis and cracking the genetic code. For this work Khorana shared the 1968 Nobel Prize in Physiology or Medicine with Robert Holley and Marshall Nirenberg.
Fred Sanger
In 1977, Frederick Sanger developed a method based on using small amounts of what are known as dideoxynucleotides. After undergoing what is known as electrophoresis, he was able to identify the nucleotide sequences in a DNA sample
Werner Arber
In 1978 he won a noble piece prize for the discovery and application of enzymes that break the molecules of deoxyribonucleic acid (DNA) into manageable pieces.
Kary Mullis
In 1985, Kary Mullis invented the polymerase chain reaction (PCR), where a small amount of DNA can be copied in large quantities over a short period of time
Francis Collins
In 1989 Francis pinpointed the gene that mutated in cydtic fibrosis. He was awarded the National Medal of Science in 2008.
Celera Organization & US Department Energy
Celera Organization & US Departme...
In 2003 they coonducted the Human Genome roject where thye found that 99 % of the human genome in final form . The final form contains 2.85 billion nucleotides.
Works Cited
Works Cited
- https://www.ncbi.nlm.nih.gov/books/NBK22104/
- http://www.dnaftb.org/15/bio-2.html
- http://www.genomenewsnetwork.org/resources/timeline/1944_Avery.php
- http://www.macroevolution.net/erwin-chargaff.html
- http://ib.bioninja.com.au/higher-level/topic-7-nucleic-acids/71-dna-structure-and-replic/hershey-and-chase.html
- http://www.dnaftb.org/19/bio-3.html
- https://paulingblog.wordpress.com/2009/04/28/the-pauling-corey-structure-of-dna/
- https://profiles.nlm.nih.gov/SC/Views/Exhibit/narrative/doublehelix.html
- https://www.britannica.com/biography/George-Gamow
- http://www.genomenewsnetwork.org/resources/timeline/1961_Nirenberg.php
- http://www.dnaftb.org/22/bio-2.html
- https://www.nobelprize.org/nobel_prizes/chemistry/laureates/1958/sanger-facts.html
- https://www.nobelprize.org/nobel_prizes/chemistry/laureates/1993/mullis-facts.html
- http://www.dnaftb.org/39/bio-2.html