For what purpose is yeast bred and describe the structure of flour.

Yeast is used in the food industry. They are used for leavening and fermentation. Some types of yeast are used medicinally to create medicines and vitamins that are needed to improve digestion.

Mukor is a type of mold that lives on organic matter and in the upper layers of the soil. Mukor can be found on spoiled bread. This is white mold. It is sometimes used as an antibiotic. Some types of mucor are very dangerous for humans and animals due to toxic waste products.