Question

Which bacterium causes curdling of milk​

Answer 1

Answer:

Usually ropy bacteria such as Alcaligenes viscolactis are undesirable. However, in some fermented dairy products, ropy lactic acid bacteria such as certain subspecies of Lactococcus lactis are used to develop texture. (6) Sweet curdling bacteria produce rennet-like enzymes which may coagulate milk.

Explanation:

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Answer 2

Answer:

When Lactococcus lactis is added to milk, the bacterium uses enzymes to produce energy (ATP) from lactose. The byproduct of ATP production is lactic acid. The lactic acid curdles the milk that then separates to form curds, which are used to produce cheese and whey.