Multiple choice

Hormone insulin was discovered by

  1. Banting and Best

  2. Beadle and Tatum

  3. Watson and Crick

  4. Sanger

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Frederick Banting and John Macleod (with Charles Best and James Collip) discovered insulin in 1921-22, earning the 1923 Nobel Prize. Watson and Crick discovered DNA structure, Sanger developed protein sequencing, and Beadle and Tatum worked on gene-enzyme relationships.