How the bacteria works to make curd?

Question

How the bacteria works to make curd?

Answer 1

Bacteria produce enzymes and/or acids to cause milk/soy milk to coagulate, forming a solid product, the curd, and the liquid product, the whey.

Just google the word "curd" and you'll find lots of info.

Answer 2

they produce chemicals that initiate a reaction in the milk, causing the curding to take place.