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A homofermentative lactic acid bacterium is one that produces

  • A.Lactic acid as effectively its only product
  • B.A mixture of acids, alcohol and gas in quantity
  • C.Acetic acid as its principal end product
  • D.Carbon dioxide but no measurable acid at all

Answer: A

Homofermentative organisms channel almost all the sugar they use into lactic acid, which is why they reach higher acidities. Heterofermentative organisms split the sugar into several products, so less of it ends up as acid.

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