A single-celled organism that ferments sugars & carbohydrates
[DOC] [TLE] Sample Lab Report [PAR] The Effect of Sugar Types on the Rate of Yeast Fermentation ... Yeast, a single-
celled organism that utilizes sugar as a food source, produces energy 
substances... [DOC] [TLE] Yeast Fermentation | CraftyBaking | Formerly Baking911 [PAR] We are also trying to release sugars trapped in the complex starch molecules ... 
Yeast is a single-celled organism and only certain strains are used for fermenting 
grain.