Final answer:
Yeasts in sourdough bread come from protists, which are important unicellular eukaryotes. These protists have various applications in consumer products and laboratories.
Explanation:
Yeasts in sourdough bread come from protists. Protists are unicellular eukaryotes that are not plants, animals, or fungi. They play a vital role in various consumer products, including carrageenan found in milk. Algae, a type of protist, are used in many consumer products and laboratories.
Learn more about Protists and their products here:
https://brainly.com/question/42100266
