A baker uses yeast to make bread rise. Under anaerobic conditions, the yeast cells convert pyruvate into which primary end-product?
Q1. A baker uses yeast to make bread rise. Under anaerobic conditions, the yeast cells convert pyruvate into which primary end-product?
Answer: Ethanol
Explanation: In yeast, pyruvate is decarboxylated to acetaldehyde and then reduced to ethanol; lactic acid occurs in muscle cells.