Differences in regulation in the silk glands of the spider.
D000409:Alanine / Q000494:pharmacology; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001345:Autoradiography; D002247:Carbon Isotopes; D005349:Fibroins / Q000096:biosynthesis*; D066298:In Vitro Techniques; D010277:Parasympathomimetics / Q000494:pharmacology*; D013112:Spiders / Q000502:physiology*
D002247:Carbon Isotopes; D010277:Parasympathomimetics; D001285:Atropine; D005349:Fibroins; D000409:Alanine