. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. g 'â -â â â A^^ â B Fig. 92. Size of microscopic fungi Comparative size of: J, a, molds; h and c, yeasts ; r7, haeteria equally magnified ; B, e, miuLite particle of dust; /, point of finest caml)rie needle; g, baeteria iindi'r less magnification. After Conn feeding, or vegetative, portion), which permeate the soil, leaf mold, wood of a tree, or other substance in which the plant is growing, possibly'for many feet in every direction. Yeasts {Saccharomycetesy the sugar fungi â sacc
. Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation. Biology. g 'â -â â â A^^ â B Fig. 92. Size of microscopic fungi Comparative size of: J, a, molds; h and c, yeasts ; r7, haeteria equally magnified ; B, e, miuLite particle of dust; /, point of finest caml)rie needle; g, baeteria iindi'r less magnification. After Conn feeding, or vegetative, portion), which permeate the soil, leaf mold, wood of a tree, or other substance in which the plant is growing, possibly'for many feet in every direction. Yeasts {Saccharomycetesy the sugar fungi â saccharon, "sugar" ; myces, "fungus"). Yeasts are the " sweet tooth" fungi, and their work in nature is to break down sugars by the process known nsfermenfatioif. The end products are alcohol, carbon dioxide, and various oils and flavors characteristic of ditTerent species of yeast. 'J1ie process of fermentation is re[)resented by the following simple chemical equation : Cc",A = 2CJIO + 2C(\ ⢠Sugar Alcohol Carbon Dioxide Size and color. Common yeast plants are spherical or ellip- soidal bodies about 3 ^/Qâ ^ of an inch in diameter: a cake of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hodge, Clifton Fremont, 1859-; Dawson, Jean, 1873-. Boston, Ginn
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