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【判断题】
蓝藻细胞能进行有氧呼吸和光合作用,因此具有线粒体和叶绿体。
A.
正确
B.
错误
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举一反三
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
树突
B.
胞体
C.
轴突
D.
轴突始段
E.
轴突末梢
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
胞体
B.
树突
C.
轴突始段
D.
轴突
E.
轴突末梢
查看完整题目与答案
【单选题】在Burkitt淋巴瘤组织中,一种包含类似免疫球蛋白(Ig)重链的氨基端和未知羧基末端的杂交蛋白表达的增加。下面哪个选项最能解释这种现象?
A.
染色体易位将一个Ig重链与一个原癌基因连接在一起
B.
含有原癌基因的染色体片段复制
C.
染色体易位涉及具有Ig重链的片段
D.
含原癌基因的染色体片段缺失
E.
含肿瘤抑制基因的染色体片段缺失
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
树突
B.
胞体
C.
轴突
D.
轴突始段
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
树突
B.
胞体
C.
轴突
D.
始段
E.
轴突末梢
查看完整题目与答案
【单选题】Speaker. A: It seems to be clearing up. Speaker B:______
A.
We haven't had rain for a long time.
B.
It makes a change, doesn't it?
C.
Quite warm for this time of the year.
D.
I hope there will be no storm.
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
树突
B.
胞体
C.
轴突
D.
始段
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
胞体
B.
树突
C.
轴突始段
D.
轴突末梢
查看完整题目与答案
【单选题】The speaker had such a nightmare because she ___ _
A.
failed many exams
B.
was under great pressure
C.
had a difficult relationship with the professor
查看完整题目与答案
【单选题】Of the two lectures, the first was by far _____, partly because the speaker had such a dynamic style.
A.
the best
B.
better
C.
the better
D.
much better
查看完整题目与答案
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【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
树突
B.
胞体
C.
轴突
D.
轴突始段
E.
轴突末梢
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
胞体
B.
树突
C.
轴突始段
D.
轴突
E.
轴突末梢
查看完整题目与答案
【单选题】在Burkitt淋巴瘤组织中,一种包含类似免疫球蛋白(Ig)重链的氨基端和未知羧基末端的杂交蛋白表达的增加。下面哪个选项最能解释这种现象?
A.
染色体易位将一个Ig重链与一个原癌基因连接在一起
B.
含有原癌基因的染色体片段复制
C.
染色体易位涉及具有Ig重链的片段
D.
含原癌基因的染色体片段缺失
E.
含肿瘤抑制基因的染色体片段缺失
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
树突
B.
胞体
C.
轴突
D.
轴突始段
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
树突
B.
胞体
C.
轴突
D.
始段
E.
轴突末梢
查看完整题目与答案
【单选题】Speaker. A: It seems to be clearing up. Speaker B:______
A.
We haven't had rain for a long time.
B.
It makes a change, doesn't it?
C.
Quite warm for this time of the year.
D.
I hope there will be no storm.
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
树突
B.
胞体
C.
轴突
D.
始段
查看完整题目与答案
【单选题】神经细胞兴奋时,首先产生扩布性动作电位的部位是
A.
胞体
B.
树突
C.
轴突始段
D.
轴突末梢
查看完整题目与答案
【单选题】The speaker had such a nightmare because she ___ _
A.
failed many exams
B.
was under great pressure
C.
had a difficult relationship with the professor
查看完整题目与答案
【单选题】Of the two lectures, the first was by far _____, partly because the speaker had such a dynamic style.
A.
the best
B.
better
C.
the better
D.
much better
查看完整题目与答案