Multiple choice

Which of the following eukaryotic organisms has been proven to be of great industrial importance?

  1. Penicillium chrysogenum

  2. Bacillus subtilis

  3. Saccharomyces cerevisiae

  4. Streptomuctes griseus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Saccharomyces cerevisiae (baker's yeast) is a eukaryotic microorganism with immense industrial importance in baking (bread leavening), brewing (beer and wine production), and bioethanol production. Penicillium chrysogenum (option A) is also eukaryotic and industrially important but the question specifically notes Saccharomyces. Bacillus subtilis (option B) and Streptomyces griseus (option D, misspelled) are prokaryotic bacteria, not eukaryotes.

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