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【单选题】
骨骼肌纤维的收缩机理, 错误的是A.
肌膜的兴奋到达三联体
B.
肌质网膜上的钙泵将钙离子转运到肌浆网内
C.
肌动蛋白与肌球蛋白头接触, 激活 ATP 酶释放能量
D.
肌球蛋白头发生屈曲转动, 将肌动蛋白拉向 M线方向
E.
肌节缩短, 肌纤维收缩
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【单选题】Kate green is her name, so her is Kate.
A.
last name
B.
given name
C.
family name
D.
give name
【单选题】Kate Green is her name, so her ___is Kate.
A.
last name
B.
give name
C.
family name
D.
given name
【单选题】—What's her name? — ____. [ ]
A.
She is a girl
B.
She is OK
C.
Her name is Kate Green
D.
She is Green
【多选题】关于离子通道的特点描述正确的是?
A.
离子通道具有门控性和选择性
B.
离子通道的选择性与通道直径和电荷有关
C.
离子通道内部为亲水性微孔
D.
离子通道外部为亲脂性残基
【简答题】阅读理解。 This is a picture of Kate Green's family. In the picture we can see her grandparents, her parents, her brother Mike and her. Her grandparents are on the chair. Mr. Green and Mrs. Green are behin...
【单选题】Mrs. Green is Kate's mother. Kate is her ______. [ ]
A.
daughter
B.
mother
C.
father
D.
son
【简答题】阅读理解。 Mrs. Green is going to give a birthday party for Kate. Kate is her daughter. Kate will be four years old. A lot of Kate's friends will come to the party. Mrs. Green will go shopping. She wil...
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