Site of transcription of ribosomal RNA.
Directs the production of proteins.
The nucleolus (NU) is composed of granules (RNA & protein), fibrils (RNP), chromatin and a proteinaceous matrix. The intranucleolar chromatin consists of the genes from which ribosomal RNA (28S, l8S and 5.8S) is transcribed.The nucleolus plays a roll in making protiens.
With in the nucleus
There usally two or three in most nucleus
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