Question

final review
responsible for protein production.
within the nucleolus, ribosomal rna (rrna) is synthesized and combined with proteins to form functional ribosomes. these ribosomes then migrate to the cytoplasm to participate in protein synthesis, making the nucleolus an essential component for the production of proteins in the cell.
messenger rna (mrna)
ribosomal rna (rrna)
transfer rna (trna)
skip
where is rrna synthesized?
mesosphere
golgi bodies
nucleolus

Explanation:

The text states that within the nucleolus, rRNA is synthesized and combined with proteins to form functional ribosomes.

Answer:

nucleolus