what is the function of nucleoli
Nucleolus. Definition. noun, plural: nucleoli. The round granular structure within the nucleus of a cell, and composed of protein and RNA. Supplement. Nucleolus is involved with ribosomal RNA synthesis and formation of ribosomes in eukaryotes. Word origin: New Latin, from Latin, diminutive of nucleus, kernel.he round granular structure within the nucleus of a cell, and composed of protein and RNA. Supplement. Nucleolus is involved with ribosomal RNA synthesis and formation of ribosomes in eukaryotes. Word origin: New Latin, from Latin, diminutive of nucleus, kernel.