DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Scanning electron micrograph (SEM) of Yeast Colony (Saccharomyces cerevisiae). Saccharomyces cerevisiae, also known as Baker's yeast, is a species of budding yeast. It is perhaps the most widely used yeast and has been used since ancient times in baking and brewing. It is used in beer production, bread making and alcohol fermentation processes. Shown here is a budding yeast along with other non-budding yeasts that contain bud scars on the ends of the yeast cells. S. cerevisiae is an important model organism in cell biology research and is the most thoroughly researched eukaryotic microorganism. Yeasts are a unicellular growth form of eukaryotic microorganisms classified in the kingdom Fungi. They usually multiply by asexual budding, or in some cases by division (binary fission). Magnification: x330 when shortest axis printed at 25 millimetres.
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