Assertion: membrane's structure | /r/HasProperty | formed
Facets:
Source sentences:
text: Bones, shells, spicules, and other hardened structures are formed when the collagen-containing extracellular matrix between animal cells becomes calcified.
text: Fate of CFTR molecules synthesized on ER-associated ribosomes; As the primary structure is formed, the polypeptide is incorporated into the ER membrane.