A.30S
B.40S
C.60S
D.70S
E.80S
[单选题]细菌核糖体的分子沉降系数为A . 30SB . 40SC . 60SD . 70SE . 80S
[单选题]细菌核糖体的分子沉降系数为A.30SB.40SC.60SD.70SE.80S
[单选题]原核微生物细胞核糖体大小为A.30SB.50SC.70SD.80SE.60S
[填空题] 真核细胞核糖体的沉降系数为(),原核细胞核糖体的沉降系数为70S。
[单选题]真核细胞80S核糖体大小两个亚基沉降系数分别为()A . 40s和50sB . 40s和60sC . 50s和60sD . 70s和80s
[填空题] 真核细胞核糖体的沉降系数为(),原核细胞核糖体的沉降系数为()。
[填空题] 70S核糖体可以分为(),80S核糖体可以分为()。
[单选题]大肠杆菌核糖体大亚基的沉降系数是( )。A.80SB.70SC.60SD.50SE.40S
[单选题]哺乳动物核蛋白体大亚基的沉降常数是( )。A.80SB.40SC.30SD.70SE.60S
[单选题]电动吸引器吸痰时,每次吸引时间不宜超过( )。A.30sB.10sC.60sD.15sE.40s