MDCAT Biology MCQ #147

A baker uses yeast to make bread dough rise. Which organic product is generated by the yeast during the anaerobic breakdown of glucose?

MDCAT Biology MCQ #147

  1. Question 1

    Q1. A baker uses yeast to make bread dough rise. Which organic product is generated by the yeast during the anaerobic breakdown of glucose?

    • A) Lactic acid
    • B) Pyruvic acid
    • C) Ethyl alcohol
    • D) Methanol

    Answer: Ethyl alcohol

    Explanation: Yeast fermentation produces ethyl alcohol and CO2; lactic acid is produced during anaerobic respiration in human muscle cells.