. Bacteria, yeasts and molds in the home. Bacteriology; Yeast fungi; Molds (Fungi). STRUCTURE OF BACTERIA 119 difficult, while special devices are required to preserve food indefinitely. To the housewife bacteria are of little value and are foes, like the molds, rather than allies, like the yeasts. This does not mean that they have no utility. On the contrary, they are of the most fundamental importance in nature, and it is no exaggeration to say that the very continuation of life is dependent upon their activity. To the farmer they are abso- lutely essen- tial. They are the dairy- man's close
. Bacteria, yeasts and molds in the home. Bacteriology; Yeast fungi; Molds (Fungi). STRUCTURE OF BACTERIA 119 difficult, while special devices are required to preserve food indefinitely. To the housewife bacteria are of little value and are foes, like the molds, rather than allies, like the yeasts. This does not mean that they have no utility. On the contrary, they are of the most fundamental importance in nature, and it is no exaggeration to say that the very continuation of life is dependent upon their activity. To the farmer they are abso- lutely essen- tial. They are the dairy- man's close allies, and they are in- dispensable friends of many industries. By their action are produced some of the articles for our tables (vinegar) and also the flavor of butter and cheese. However, these phenomena do not directly concern the housewife, and, with a few individual exceptions, bacteria are her Fig. 47. Comparative size of the point of the finest cambric needle (6), a particle of dust (a), and bac- teria (c). Structure of Bacteria Size. Bacteria are much smaller than yeasts, and only the high powers of the microscope can disclose their presence (Fig. 47). Many are not more than a fifty thousandth of an inch in diameter, and even the larger ones are not much more than a ten thousandth of an inch. But bacteria are far more abundant in nature than yeasts. They are present in great numbers in the earth,. 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 Conn, H. W. (Herbert William), b. 1859. Boston, New York, Ginn and Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbacteri, bookyear1917
