Freeze-fracture TEM of baker's yeast

Freeze-fracture TEM of baker's yeast

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Credit: A. DOWSETT, PUBLIC HEALTH ENGLAND/SCIENCE PHOTO LIBRARY

Caption: Freeze-fracture transmission electron micrograph of baker's yeast, Saccharomyces cerevisiae. The large round structure in the lower right of the yeast cell at upper right of frame is a cell nucleus. Yeast is a kind of single-celled fungus. It is able to ferment sugar, producing alcohol and carbon dioxide in the process. It has long been used to make beer & wine and in the 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 cells divide rapidly by budding off new cells or by reproducing sexually. Magnification: x22,700 at 218x298mm size.

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

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