Which unicellular eukaryote is commonly used in bread and alcohol fermentation?

Options

  • A. Yeast
  • B. Amoeba
  • C. Paramecium
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. Yeast

Detailed Explanation

Yeast is a unicellular fungus widely used in fermentation. During anaerobic fermentation, yeast converts sugars into ethanol and carbon dioxide. Carbon dioxide helps bread dough rise, while ethanol is important in alcoholic fermentation. Yeast is therefore an important example connecting biology, microbiology, fermentation and biotechnology.