题目内容 (请给出正确答案) [单选题] 细菌核糖体由( )及( )亚基组成。 A.20S,40S B. 30S,50S C. 40S,60S D. 50S,70S 查看答案 如搜索结果不匹配,请 联系老师 获取答案