rRNA Proteins Subunits LI L2 L3 Assembled Ribosomes A△a 9 23S 5S 心公 2.904 bases Total 31 proteins 50S 120 bases SI S2 S3 ●Q0 000 eo 165 ● 0.90 70S 16s 1.542 bases Total 21 Proteins 30S LI L2 L3 A△A P习0A b 28S&5.8S 5S 6P4 4,700&156 bases 120 Bases Total 50 Proteins 60S SI S2 S3 。00 0 0● 80S 18S 1,900 bases 32 Proteins 40S