DNA

DNA was first discovered by Friederich Miescher in Germany in the late 19th century (Watson; Who). He was a biochemist and found that the nucleic acids, long-chain polymers of nucleotides, were made up of sugar, phosphoric acid and several nitrogen-containing bases. It was isolated from pus cells on discarded bandages.

DNA was first isolated biochemically from the nuclei of pus cells.

.a) William Astbury was an English physicist and molecular biologist who made pioneering x-ray diffraction studies on biological molecules (William). In 1937, he was sent a sample of DNA f

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Category: Science - D