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Biology · Oct / Nov 2019 · Paper 11 · Question 26

5090Biotechnology

During cheese-making the pH of milk falls and this causes milk proteins to coagulate. What is the main cause of the lower pH?

  1. Aaerobic respiration by bacteria
  2. Baerobic respiration by yeast
  3. Canaerobic respiration by bacteria
  4. Danaerobic respiration by yeast

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Correct answer: C. anaerobic respiration by bacteria

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