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【判断题】
常染色质是染色体中染色很深的区段。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下可以用作提高药用酶产量的措施是( )。 ( 1 )添加诱导物; ( 2 )控制阻遏物浓度; ( 3 )添加表面活性剂; ( 4 )添加刺激剂
A.
（ 1 ）（ 2 ）（ 3 ）（ 4 ）
B.
（ 1 ）（ 2 ）（ 3 ）
C.
（ 1 ）（ 3 ）（ 4 ）
D.
（ 1 ）（ 2 ）（ 4 ）
【单选题】下列说法正确的是
A.
所有细胞都是具有细胞壁这种结构的
B.
一般来说，动物细胞和植物细胞都是具有液泡的
C.
植物细胞才具有叶绿体这种结构
D.
在显微镜下观察植物细胞，不易观察到的细胞结构是细胞壁
【单选题】—Do you know ____? —Sorry, I don't know. [ ]
A.
where does Jimmy work
B.
where Jimmy works
C.
how does Jimmy go to work
D.
what does Jimmy do
【单选题】Most people have heard of Shakespeare and probably know something of the plays that he wrote. However, not everybody knows much about the life of this remarkable man, except perhaps that he was born i...
A.
attended a public school
B.
lived in London
C.
studied Latin
D.
was put in prison for stealing cattle
【单选题】—I know it is spelt 'h-o-n-o-u-r' in Britain and 'h-o-n-o-r' in America. But do they have the same pronunciation? —Yes, they are both pronounced ________. [ ]
A.
/'on /
B.
/'Qn /
C.
/'hon /
D.
/'hon /
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