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【单选题】
后继的学习与记忆对先前学习材料的保持与干扰作用是( )干扰。
A.
动机性抑制
B.
前摄抑制
C.
倒摄抑制
D.
痕迹衰退抑制
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举一反三
【单选题】十字链表顶点的节点结构有___个字段。
A.
2
B.
3
【单选题】潘女士,28岁,停经50天后右下腹撕裂样疼痛30分钟,伴恶心、呕吐、肛门坠胀感,怀疑输卵管妊娠破裂,最简便可靠的诊断方法是
A.
尿HCG测定
B.
阴道后穹窿穿刺
C.
刮宫术,子宫内膜送病检
D.
B超检查
E.
急查血常规
【多选题】Why is the chemiosmotic mechanism for ATP synthesis called oxidative phosphorylation?
A.
The chemiosmotic generation of energy begins when the activated carriers NADH and FADH 2 donate their electrons to the electron-transport chain in the inner mitochondrial membrane, becoming oxidized to NAD + and FAD, respectively, in the process.
B.
The electrons are quickly passed along the chain to molecular oxygen (O 2 ) to form water (H 2 O). The stepwise movement of these electrons through the components of the electron-transport chain releases energy that can then be used to pump protons across the inner mitochondrial membrane .
C.
The resulting proton gradient, in turn, is used to drive the synthesis of ATP. The inner mitochondrial membrane thus serves as a device that converts the energy contained in the high-energy electrons of NADH (and FADH 2 ) into the phosphate bond of ATP molecules.
D.
This chemiosmotic mechanism for ATP synthesis is called oxidative phosphorylation because it involves both the consumption of O 2 and the addition of a phosphate group to ADP to form ATP.
【单选题】某女士,停经50天,右下腹撕裂样疼痛约30分钟,伴恶心、呕吐、肛门坠胀感,怀疑输卵管妊娠破裂,最简便可靠的诊断方法是
A.
尿hCG测定
B.
阴道后穹隆穿刺
C.
诊断性刮宫
D.
B超检查
E.
急查血常规
【单选题】潘女士,28岁,停经50天后右下腹撕裂样疼痛约30分钟,伴恶心、呕吐、肛门坠胀感,怀疑输卵管妊娠破裂,最简便可靠的诊断方法是
A.
尿HCG测定
B.
阴道后穹窿穿刺
C.
刮宫术,子宫内膜送病理检查
D.
B超检查
E.
急查血常规
【简答题】化学渗透学说( Chemiosmotic theory)
【单选题】Since joining the European Economic Community in ______, Britain has adopted the Community system of agricultural support.
A.
1973
B.
1974
C.
1975
D.
1976
【单选题】名词解释:chemiosmotic coupling
A.
化学渗透偶联学说
B.
氧化还原电位
C.
细胞色素c氧化酶
D.
氧化磷酸化
【单选题】潘女士,28岁,停经50天后右下腹撕裂样疼痛约30分钟,伴恶心呕吐、肛门坠胀感,怀疑输卵管妊娠破裂,最简便可靠的检查方法是
A.
尿HCG测定
B.
阴道后穹隆穿刺
C.
刮宫术,子宫内膜送病理检查
D.
B超检查
E.
急查血常规
【简答题】说明IAA极性运输的化学渗透模型(chemiosmotic model)要点。
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