Which statement is not true about quinidine ____.
A: It
is composed of quinolone ring and quinolone base ring.
B: The
two rings are connected by hydroxymethyl.
C: Contains
two substituents (methoxy and ethylene)
D: It
has four chiral carbons.
E: The
target is K+ channel blocker.
A: It
is composed of quinolone ring and quinolone base ring.
B: The
two rings are connected by hydroxymethyl.
C: Contains
two substituents (methoxy and ethylene)
D: It
has four chiral carbons.
E: The
target is K+ channel blocker.
举一反三
- 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,<br/>4S, 8R, 9S ), is the dextroisomer. E: The target is K+<br/>channel blocker.
- 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
- The<br/>relationship between passive target and active target() A: the<br/>two can promote each other B: the<br/>two can cooperate with each other C: the<br/>two can not exist at the same time D: the<br/>above three items are all right
- deep inguinal ring ()<br/>A. also known as outer ring A: in<br/>front of it, there is transverse abdominal muscles B: about<br/>3 ~ 4cm infrolateral to pubic tubercle C: its<br/>outer wall is formed by obliquus internus abdominis D: formed by protruding transverse fascia
- Two statements about spreadsheets follow.<br/>Is each statement true or false? A: Statement 1 is true, Statement 2 is false B: Both statements are true C: Statement 1 is false, Statement 2 is true D: Both statements are false