Assertion: b vitamin | /r/HasAspect | separate biochemical role
Facets:
Source sentences:
text: Vitamin B 12 also has a separate biochemical role, unrelated to folic acid, in the synthesis of fatty acids in the myelin sheath that surrounds nerve cells.
text: Vitamin B 12 also has a separate biochemical role, unrelated to folic acid, in the synthesis of fatty acids in the myelin sheath that surrounds nerve cells.