DNA was first isolated analysed and recogiised as a unique macro mdash molecule by in 1869 ........

General Studies (CPO) General Science

DNA was first isolated. analysed and recogiised as a unique macro—molecule by ............ in 1869.

This questions was previously asked in

SSC CPO 13th-March-2019-Shift-2

Alfred Hershey

William Astbury

Friedrich Miescher

Oswald Avery

- Option 1: Alfred Hershey

- He was best known for the Hershey-Chase experiment in 1952, which helped confirm that DNA is genetic material.

- Option 2: William Astbury

- Astbury made significant contributions to the study of the physical structure of DNA in the 1930s and 1940s using X-ray crystallography.

- Option 3: Friedrich Miescher

- In 1869, he isolated DNA for the first time. He recognized it as a unique molecule, initially calling it "nuclein."

- Correct Answer

- Option 4: Oswald Avery

- In 1944, Avery demonstrated that DNA is responsible for the transformation of genetic material.

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