Yeast cells growing on agar

Yeast cells growing on agar

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Credit: DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY.

Caption: False-colour scanning electron micrograph (SEM) of yeast cells, Saccharomyces cerevisiae, commonly known as baker's yeast, growing on potato dextrose agar. Yeast is able to ferment sugar, producing alcohol & carbon dioxide in the process. It has long been used in the brewing of beer, the production of wine & in baking of leavened bread (carbon dioxide causes the dough to rise). Medically, dried yeast is used as a source of vitamin B1, riboflavin & nicotinic acid. Yeast divide rapidly by budding off new cells. They may also reproduce sexually. Magnification: X 50 at 35mm size. Coloured orange. Original is BW print B250/163.

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Keywords: baker's yeast, eumycota, fungal, fungi, fungus, mycology, nature, naturemycology, saccharomyces cerevisiae, scanning electron micrograph, sem, yeast

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