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Freeze-fracture TEM of baker's yeast

Freeze-fracture TEM of baker's yeast

B250/0515

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Credit

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

Release details

Model release not required. Property release not required.

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