Answer:
The bacteria ferments the lactic acid of the curds into acetic acid and propionic acid, which provides flavor, and carbon dioxide, which creates the characteristic holes.
another answer:
Bacteria play an essential role in recycling nutrients, for example fixing nitrogen from the atmosphere into the soil. The human body contains vast numbers of bacteria, most of which are harmless or rendered so by the immune system, and some are vital in processes such as digestion.
Explanation:
if you want to know more about the said topic here's the link :)
https://study.com/academy/lesson/bacteria-and-mold-the-microbiology-of-cheesemaking.html
https://effca.org/microbial-cultures/production-of-microbial-cultures/bacteria-in-food-production/
