Assertion: nucleolus | /r/HasProperty | observed with light microscope
Facets:
Source sentences:
text: The nucleolus can be observed with the light microscope, and was much studied in the nineteenth century; its structure has more recently been clarified using the electron microscope.
text: The nucleolus can be observed with the light microscope, and was much studied in the nineteenth century; its structure has more recently been clarified using the electron microscope.