Assertion: mitochondrion's ribosome | /r/HasProperty | free
Facets:
Source sentences:
text: Ribosomes can be free, or attached to the endoplasmic reticulum or attached to the nucleus
text: Eukaryotic ribosomes may be either free, meaning that they are floating around in the cytoplasm, or bound, meaning that they are attached to the endoplasmic reticulum or the outside of the nuclear envelope.