The New Encyclopaedia Britannica
Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries - 934 pages
 Propaedia: outline of knowledge and guide to the Britannica.--- Micropaedia: ready reference and index.--- Macropaedia: knowledge in depth.
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In order to understand the characteristics of the individual species comprising
these mixed populations, it is necessary to study each species as a pure culture,
by isolating bacterial cells from colonies on a specific nutrient referred to as the ...
The gross appearance of bacterial growth in or on media defines the cultural
characteristics of a species. When a specimen containing bacteria is inoculated
onto an agar medium (a standard preparation of nutrients with a gel-like
The characteristics of one bacterial species are sufficiently definitive and constant
to delineate it from other species. This distinctiveness does not mean, however,
that each characteristic is evident and manifest by all strains of all species under
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review