the provision of these substrates relative to the ability of the protein forming system to utilize them regulates the synthesis of ribosomal and transfer rna , which , after adjustment for various modulating influences , such as nonfunctioning ribosomes or ribosomal rna turnover , brings the number of functioning ribosomes to a point in keeping with the provision of external nutrients .
C0035701
ribosomal rna
C0035553
ribosomes