Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Human body
DNA was first isolated, analysed and recognised as a unique macro-molecule by _______ in 1869.
1
Oswald Avery
2
William Astbury
3
Friedrich Miescher
4
More than one of the above
5
None of the above