Q: Given a scientific passage and an answer, generate a question for the given answer.
Passage: Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. The acid is what causes the milk to curdle to form cheese. Bacteria are also involved in producing other foods. Yogurt is made by using bacteria to ferment milk ( Figure below ). Fermenting cabbage with bacteria produces sauerkraut. Answer: lactic acid
A:
Bacteria can be used to make cheese from milk. the bacteria turn the milk sugars into what?