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【单选题】
Definition of M ycoplasmaA.
It is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.
B.
It is the smallest and simplest self-replicating prokaryote.
C.
It is an irregularly shaped region within the cell of a prokaryote that contains all or most of the genetic material .
D.
C ells have a cell nucleus and other organelles enclosed within membranes .
E.
It is folded invaginations in the plasma membrane of bacteria .
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反馈参考答案：
举一反三
【单选题】属于绒毛膜癌的特有病理特征的是
A.
滋养细胞增生见不到绒毛结构
B.
绒毛间质水肿
C.
绒毛血管消失
D.
细胞/合体滋养细胞增生
E.
水肿绒毛可见少量血管,但无有核红细胞
【单选题】CI是()的英文缩写
A.
Corporate Identity
B.
Mind Identity
C.
Behavior Identity
D.
Visual Identity
参考解析：
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