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Marked by its 19 : 863h ; illus . stimulus . thunderstorm limits 18 : 363h candid portrayal of physical relations and a auxin influence on plant stem growth ...
Dilute acids and alkalies on heating also urease , an enzyme that catalyzes ( speeds up ) urena ( Urena lobata ) , a plant of the family break down urea .
In some plants there is internal phloem as and the bundle is then called ... development and differentiation 5 : 667b plant internal transport system 14 ...
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LibraryThing ReviewUser Review - keylawk - LibraryThing
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