yeast in a sentence

Definition

Yeast is a type of fungus used in baking and brewing that ferments sugars, producing carbon dioxide and alcohol, which causes dough to rise.

Yeast is a crucial ingredient in the fermentation process of bread making.
The baker added a pinch of yeast to the dough to help it rise.
Scientists study yeast to better understand cellular processes and genetics.
After several hours, the yeast had transformed the mixture into a bubbly, fragrant concoction.
Many types of beer rely on specific strains of yeast for their unique flavors and aromas.