Which statements are true about quinidine:
A: It is composed of quinoline ring and quinoline base ring
B: The two rings are connected by hydroxymethyl
C: Contains two substituents (methoxy and ethylene).
D: It has four chiral carbons(3R,
4S, 8R, 9S ), is the dextroisomer.
E: The target is K+
channel blocker.
A: It is composed of quinoline ring and quinoline base ring
B: The two rings are connected by hydroxymethyl
C: Contains two substituents (methoxy and ethylene).
D: It has four chiral carbons(3R,
4S, 8R, 9S ), is the dextroisomer.
E: The target is K+
channel blocker.
举一反三
- Which statement is not true about quinidine ____. A: It<br/>is composed of quinolone ring and quinolone base ring. B: The<br/>two rings are connected by hydroxymethyl. C: Contains<br/>two substituents (methoxy and ethylene) D: It<br/>has four chiral carbons. E: The<br/>target is K+ channel blocker.
- Which of the following statements about Shylock is true? A: Shylock is a greedy moneylender. B: Shylock’s grief over Leah’s ring testifies his humanity. C: Shylock is a complicated and intriguing figure.
- A ring homomophism f from a ring R onto another ring S is an isomophism if and only if kerf=0.( )
- Which<br/>of the following statements about DNA polymerase III is NOT true:() A: Deoxyribonucleotide<br/>are connected to 5’ hydroxyl of synthesized DNA by DNA pol III B: To<br/>catalyze deoxyribonucleotide connected to the primer C: Requires<br/>four kinds of 5’-dNTP D: To<br/>catalyze deoxyribonucleotide connected to 3’ terminal of RNA<br/>primer E: Pyrophosphate<br/>is one of the product
- Which two statements are true about the Automatic Diagnostic Repository (ADR)?（）