A.40S B.70S C.30S D.80S E.60S
A.30S亚基的蛋白 B.30S亚基的rRNA C.50S亚基的rRNA D.50S亚基的蛋白 E.18S亚基的蛋白
A.16 B.18 C.20 D.61 E.64