Ribosomal RNA is actively synthesized in:
Correct answer: B. Nucleolus
- A. Lysosomes
- B. Nucleolus
- C. Nucleoplasm
- D. Ribosomes
Explanation
The nucleolus is the centre for the synthesis of ribosomal RNA (rRNA) that forms ribosomal subunits. 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.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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