Wikipedia has a good section on this:
DNA was first isolated by the Swiss physician Friedrich Miescher who, in 1869, discovered a microscopic substance in the pus of discarded surgical bandages. As it resided in the nuclei of cells, he called it "nuclein".[117] In 1919 this discovery was followed by Phoebus Levene's identification of the base, sugar and phosphate nucleotide unit.[118] Levene suggested that DNA consisted of a string of nucleotide units linked together through the phosphate groups. However, Levene thought the chain was short and the bases repeated in a fixed order. In 1937 William Astbury produced the first X-ray diffraction patterns that showed that DNA had a regular structure.[119]
Adam Walley Ph. D Harvard University Advanced Sociology Professor
Scientists isolate DNA to study its structure, sequence, and function. By isolating DNA, scientists can analyze specific genes, create genetic maps, and understand how genes contribute to traits and diseases. Isolating DNA also allows for techniques like PCR and DNA sequencing to be performed.
DNA polymerase was first discovered in 1956 by Arthur Kornberg and his team at Washington University in St. Louis. They isolated the enzyme from E. coli bacteria and demonstrated its role in DNA replication.
cutting the gene out of DNA with enzymes
F, Crick and j.Watson discovered the structure of DNA.
Friedrich Miescher
Adam Walley Ph. D Harvard University Advanced Sociology Professor
The first virus to be isolated and identified was the tobacco mosaic virus in 1892 by Russian scientist Dmitri Ivanovsky.
DNA was discovered in 1869 by Friedrich Miescher, a Swiss biochemist, who first isolated it from cells. Its significance in heredity and genetic information was not fully understood until later in the 20th century.
Thomas Francis was the first scientist which isolated the influenza virus in 1940.
scientist prove that a chicken came first not the egg because of DNA
DNA was first isolated by the Swiss physician Friedrich Miescher who, in 1869, discovered a microscopic substance in the pus of discarded surgical bandages. As it resided in the nuclei of cells, he called it "nuclein". In 1919 this discovery was followed by Phoebus Levene's identification of the base, sugar and phosphate nucleotide unit. Levene suggested that DNA consisted of a string of nucleotide units linked together through the phosphate groups. However, Levene thought the chain was short and the bases repeated in a fixed order. In 1937 William Astbury produced the first X-ray diffraction patterns that showed that DNA had a regular structure.
Scientists isolate DNA to study its structure, sequence, and function. By isolating DNA, scientists can analyze specific genes, create genetic maps, and understand how genes contribute to traits and diseases. Isolating DNA also allows for techniques like PCR and DNA sequencing to be performed.
No, DNA was first isolated by the Swiss physician. Also there were no African Americans involved in any subsequent work on DNA leading to the understanding of it structure.
Friedrich Miescher
Marie Curie in 1898.
Crick and Watson.