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Extrusion of Nucleolar Material in the Female Germ-Cells of Lumbricus terrestris L.

✍ Scribed by SRIVASTAVA, D. S.

Book ID
109571751
Publisher
Nature Publishing Group
Year
1952
Tongue
English
Weight
107 KB
Volume
170
Category
Article
ISSN
0028-0836

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Metabolic sources of ammonia in the eart
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## Abstract The earthworm __Lumbricus terrestris__ is ammonotelic while feeding but becomes ureotelic with fasting. The metabolic sources of ammonia nitrogen in feeding worms have been examined. Two deaminating enzymes, L‐serine dehydratase and 5′‐AMP deaminase, have been observed to be present in