500 MICRO-ORGANISMS. ASSIMILATION. The higher plants derive their nutrition from the soil which their roots permeate, and from the air. From the soil they take up mineral substances and ammonia, from which latter sub- stance the nitrogenous substances of the plant, like albuminoids, are built up,… … phyll cells, are produced the various carbonaceous substances, like cellulose, carbohydrates, fats, etc., that plants are com- posed of. A microbe, or micro-organism containing no chlorophyll, cannot build up its body from carbonic acid, like other plants. Its food consists rather of the same…
Brewing · Malt
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