Assertion: mitochondrion | /r/HasAspect | two membranes
Facets:
Source sentences:
text: Mitochondria have two membranes, an outer membrane and an inner membrane.
text: Mitochondria have two membranes.
text: Mitochondria have two membranes, each composed of a phospholipid bilayer.
text: The mitochondrion has two membranes which are both phospholipid bilayers.