Who discovered DNA?
Q. Who discovered DNA? (A) James Watson and Francis Crick (B) Gregor Mendel (C) Johannsen (D) Hargovind Khorana (E) None of the above/More ...
Read more »Q. Who discovered DNA? (A) James Watson and Francis Crick (B) Gregor Mendel (C) Johannsen (D) Hargovind Khorana (E) None of the above/More ...
Read more »Q. Who invented the Safety Pin? Walter Hunt › On April 10, 1849, Hunt was granted US patent #6,281 for his safety pin. › Walter Hunt (...
Read more »Arthur Wynne invented the crossword puzzle Crossword is a puzzle consisting of a grid of squares and blanks into which words crossing vertic...
Read more »Frederick Gowland Hopkins Sir Frederick Gowland Hopkins OM, PRS (20 June 1861 – 16 May 1947) was an English biochemist who was awarded the N...
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