Assertion: nodule's concentration | /r/HasProperty | essential
Facets:
value: by o
type: OTHER
Source sentences:
text: The low O 2 concentration is essential because nitrogenase is quickly denatured (inactivated) by O 2 .
text: The low O 2 concentration is essential because nitrogenase is quickly denatured (inactivated) by O 2 .
text: The low O 2 concentration is essential because nitrogenase is quickly denatured (inactivated) by O 2 .