Multiple choice

Whose discovery in 1897 refuted Pasteur's claim that fermentation requires the presence of live cells?

  1. Waldemar Haffkine

  2. Edward Buchner

  3. Paul Ehrlich

  4. Almwroth Wright and David Sample

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

Edward Buchner published the first evidence of a cell-free fermentation process using extracts isolated from yeast. This discovery refuted Pasteur's claim that fermentation requires the presence of live cells.