Multiple choice

How invented DNA?

  1. Watson and Crick

  2. Alexander Fleming

  3. Louis Pasteur

  4. W.J.Kolf
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Watson and Crick discovered the structure of DNA in 1953, revealing it as a double helix. While DNA itself wasn't 'invented' (it's a natural molecule), their discovery of its structure revolutionized biology and medicine.

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