The watershed divide of the Ural Mountains forms the natural land boundary between the continents of Europe and Asia. The range, averaging 3,000â4,000 ft. in height, extends about 1,640 miles north-south from the Arctic Ocean to the northern steppe of Kazakhstan.he watershed divide of the Ural Mountains forms the natural land boundary between the continents of Europe and Asia. The range, averaging 3,000â4,000 ft. in height, extends about 1,640 miles north-south from the Arctic Ocean to the northern steppe of Kazakhstan.
Yeasts. Yeasts are unicellular fungi. Examples: 1  Saccharomyces cerevisiae â bakerâs or brewerâs yeast. 2  Saccharomyces boulardii is a part of normal intestinal flora; available in pharmacies as probiotic, which can prevent antibiotic associated diarrhea.
Molds are multicellular, filamentous fungi that are commonly found on foods. Yeasts are any unicellular fungus. Being single celled and eukaryotic, yeasts make excellent research organisms for studying processes that can be applied to humans as well.olds are multicellular, filamentous fungi that are commonly found on foods. Yeasts are any unicellular fungus. Being single celled and eukaryotic, yeasts make excellent research organisms for studying processes that can be applied to humans as well.