Texas Ribosomal RNA / ribosome subunits Prokaryotes (70S) Large 50S 5S 23S Small 30S 16S Eukaryotes (80S) Cytoplasmic Large 60S 5S 5.8S 28S Small 40S 18S Mitochondrial MT-RNR1, 12S MT-RNR2, 16S Index of genetics Description Gene expression DNA replication cycle recombination repair binding proteins Transcription factors regulators nucleic acids RNA RNA binding proteins ribonucleoproteins repeated sequence modification Translation ribosome modification nexins Proteins domains Structure primary secondary tertiary quaternary Disease Replication and repair Transcription factor Transcription Translation