What to see a detailed structure of a Bacteria cell? Go Here: (The link is toward the bottom of the page)

-http://www.cellsalive.com/cells/bactcell.htm

 This tells about one form that has Lactobacillus Bulgaricus in the form of yogurt:

-http://school.eb.com/all/eb/article-50441?query=Lactobacillus%20bulgaricus&ct=