The nucleolus is the site of
- Acheck_circle
Ribosomal RNA synthesis and ribosome subunit assembly
- B
Phospholipid and steroid synthesis on smooth ER
- C
Post-translational modification and protein sorting
- D
Nuclear DNA replication and chromosome duplication
Explanation
A dense region within the nucleus where rRNA is transcribed and combined with proteins to form ribosomal subunits.