Two additional categories of RNA play a critical role in the translation process: tRNA and rRNA. Ribosomal RNA (rRNA ... a cell can "read" all 61 codons in mRNA. The opposite end of the folded ...
it contains the 18S rRNA. These rRNAs are involved in mRNA binding and decoding. Large Subunit rRNAs: The large subunit in prokaryotes contains the 23S and 5S rRNAs, while in eukaryotes, it contains ...
Within the ribosome, the mRNA and aminoacyl-tRNA complexes are held together closely, which facilitates base-pairing. The rRNA catalyzes the attachment of each new amino acid to the growing chain.