Asked by unknown
Nucleolus (inside the nucleus) creates ribosomes by making
DNA (Deoxyribonucleic acid)
rRNA (ribosomal RNA)
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GPT-5 mini
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rRNA (ribosomal RNA).
The nucleolus is the site where ribosomal RNA genes (rDNA) are transcribed into rRNA and where rRNA is assembled with ribosomal proteins into the small and large ribosomal subunits, which are then exported to the cytoplasm. It does not make DNA — DNA is already in the nucleus and is replicated elsewhere during S phase. (Note: 5S rRNA is transcribed by RNA polymerase III often just outside the nucleolus, but it is incorporated into ribosomes there.)
The nucleolus is the site where ribosomal RNA genes (rDNA) are transcribed into rRNA and where rRNA is assembled with ribosomal proteins into the small and large ribosomal subunits, which are then exported to the cytoplasm. It does not make DNA — DNA is already in the nucleus and is replicated elsewhere during S phase. (Note: 5S rRNA is transcribed by RNA polymerase III often just outside the nucleolus, but it is incorporated into ribosomes there.)
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