A darkly stained body within a nucleus without any prominent membranous boundary is
Vacuole
Nucleolus
Ribosomes
Mitochondria
As we have learned
Structure of Nucleus -
The interphase nucleus (nucleus of a cell when it is not dividing) has highly extended and elaborate nucleoprotein fibres called chromatin, nucleus matrix and one or more spherical bodies called nucleoli. The nuclear matrix or the nucleoplasm contains nucleolus and chromatin.
- wherein