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【单选题】
用蛋白酶去除大肠杆菌核糖体的蛋白质,处理后的核糖体仍可催化氨基酸的脱水缩合反应。由此可推测核糖体中能催化该反应的物质是
A.
蛋白酶
B.
RNA 聚合酶
C.
RNA
D.
RNA
E.
逆转录酶
F.
逆转录酶
G.
RNA
H.
逆转录酶
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参考答案：
举一反三
【单选题】Why did Zhao Gao call a stag a horse?
A.
Because he wanted to make a joke
B.
Because he wanted to fool the King of Qin
C.
Because he wanted to fool the other ministers
D.
Because he wanted to see where the other ministers stood
查看完整题目与答案
【单选题】Carol _____ some reading and _____ English over the weekend. [     ]
A.
did, practiced
B.
did, practicing
C.
do, practiced
D.
does, practices
查看完整题目与答案
【判断题】A stag party is the party for the bride.
A.
正确
B.
错误
查看完整题目与答案
【判断题】The lion wanted to eat a stag.
A.
正确
B.
错误
查看完整题目与答案
【单选题】称取葡萄糖100.0g，加水溶解并稀释至100.0ml，于20℃用2dm测定管，测得溶液的旋光度为+10.5°，求其比旋度
A.
+52.5°
B.
-52.5°
C.
-5.25°
D.
+5.25°
查看完整题目与答案
【单选题】称取葡萄糖100.0g，加水溶解并稀释至100.0ml，于20℃用2dm测定管，测得溶液的旋光度为+10.5°，求其比旋度
A.
52.5°
B.
-26.2°
C.
-52.7°
D.
+5.25°
E.
+105°
查看完整题目与答案
【单选题】The character of__________is representative of the English bourgeoisie at the earlier stages of its development．
A.
Tom Jones
B.
Samson
C.
Robinson Crusoe
D.
Roderick Random
查看完整题目与答案
【单选题】称取葡萄糖100.0g,加水溶解并稀释至100.0ml,于20°C用2dm测定管,测得溶液的旋光度为+10.5°,求其比旋度
A.
52.5°
B.
-26.2°
C.
-52.7°
D.
+5.25°
E.
+105°
查看完整题目与答案
【单选题】What does the man ask Carol to do?
A.
Contact the Manchester office
B.
Read some information
C.
Reserve a meeting room
D.
Talk to a group of employees
查看完整题目与答案
【单选题】Dr. Carol A. Ford considered middle-schoolers______.
A.
appropriately develop some reliance
B.
partly develop a private and confidential relationship with a doctor
C.
relate skills of negotiating the world to their physical maturity
D.
look like older
查看完整题目与答案
相关题目：
【单选题】Why did Zhao Gao call a stag a horse?
A.
Because he wanted to make a joke
B.
Because he wanted to fool the King of Qin
C.
Because he wanted to fool the other ministers
D.
Because he wanted to see where the other ministers stood
查看完整题目与答案
【单选题】Carol _____ some reading and _____ English over the weekend. [     ]
A.
did, practiced
B.
did, practicing
C.
do, practiced
D.
does, practices
查看完整题目与答案
【判断题】A stag party is the party for the bride.
A.
正确
B.
错误
查看完整题目与答案
【判断题】The lion wanted to eat a stag.
A.
正确
B.
错误
查看完整题目与答案
【单选题】称取葡萄糖100.0g，加水溶解并稀释至100.0ml，于20℃用2dm测定管，测得溶液的旋光度为+10.5°，求其比旋度
A.
+52.5°
B.
-52.5°
C.
-5.25°
D.
+5.25°
查看完整题目与答案
【单选题】称取葡萄糖100.0g，加水溶解并稀释至100.0ml，于20℃用2dm测定管，测得溶液的旋光度为+10.5°，求其比旋度
A.
52.5°
B.
-26.2°
C.
-52.7°
D.
+5.25°
E.
+105°
查看完整题目与答案
【单选题】The character of__________is representative of the English bourgeoisie at the earlier stages of its development．
A.
Tom Jones
B.
Samson
C.
Robinson Crusoe
D.
Roderick Random
查看完整题目与答案
【单选题】称取葡萄糖100.0g,加水溶解并稀释至100.0ml,于20°C用2dm测定管,测得溶液的旋光度为+10.5°,求其比旋度
A.
52.5°
B.
-26.2°
C.
-52.7°
D.
+5.25°
E.
+105°
查看完整题目与答案
【单选题】What does the man ask Carol to do?
A.
Contact the Manchester office
B.
Read some information
C.
Reserve a meeting room
D.
Talk to a group of employees
查看完整题目与答案
【单选题】Dr. Carol A. Ford considered middle-schoolers______.
A.
appropriately develop some reliance
B.
partly develop a private and confidential relationship with a doctor
C.
relate skills of negotiating the world to their physical maturity
D.
look like older
查看完整题目与答案
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