(a) lysosomes
(b) nucleolus
(c) nucleoplasm
(d) ribosomes
[CBSE AIPMT 2012]
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Aug 09, 2021
Ribosomal RNA is actively synthesised in
Ribosomal RNA is actively synthesised in
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Correct Option (b) Reason : Nucleolus is the centre for synthesis of ribosomal RNA (rRNA). Ribosomal proteins migrate to the nucleolus from their assembly sites in the cytoplasm and are packaged into ribonucleoproteins. These return to the cytoplasm where they become mature ribosome particles.