Definition Of yeast
a microscopic fungus consisting of single oval cells that reproduce by budding, and are capable of converting sugar into alcohol and carbon dioxide.
The yeast cells in the envelope of yeast are the cells that do the work in your loaf of bread.
Example Of yeast
Added to selective breeding is another step, another human act, that of using yeast to raise the bread or ferment the wine.
Alcohol is chock full of sugar, and sugar causes yeast infections in many people.
Allowing the yeast or other leavening agents to do their duty.
An inability to transport TPP across membranes was directly demonstrated only in yeast and liver cells.
And, as each pint contains about eight billion cells of yeast, stressed yeast can dramatically alter taste.