Saccharomyces boulardii. Saccharomyces boulardii is a tropical species of yeast first isolated from lychee and mangosteen fruit in 1923 by French scientist Henri Boulard. S. boulardii (synonym: S. cervisiae var boulardii and Saccharomyces cerevisiae Hansen CBS 5926) is a yeast that could be assigned to the subtype of S. cerevisiae species.
Layers of the Stomach. Stomach has gastric pits, which has gastric glands that secrete acids. The mucosa forms folds called rugae that look like wrinkles and flatten as your stomach gets full. Here's more about the layers of the stomach. 1. Mucosa. This is the innermost layer of the stomach.
The folds in the inner membrane of the mitochondria are called cristae. They serve to provide a greater surface area for the proton-pump through which protons pass down their â¦ concentration gradient through ATP synthase to produce ATP in cellular respiration.1 person found this useful.he folds in the inner membrane of the mitochondria are called cristae. They serve to provide a greater surface area for the proton-pump through which protons pass down their â¦ concentration gradient through ATP synthase to produce ATP in cellular respiration. 1 person found this useful.