题目内容：
ETEC的肠毒素是由什么编码的A、质粒
B、染色体
C、染色体和质粒
D、溶原性噬菌体
E、目前还不清楚
参考答案：
选择题：ETEC的肠毒素是由什么编码的
- 题目分类：医学检验(师)
- 题目类型：选择题
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A.连续性与顺序性
B.阶段性
C.个别差异
D.不均衡
E.关键性
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Beauty has always been regarded as something praise worthy. Almost everyone thinks attractive people are happier and healthier, have better marriages and have more respectable occupations. Personal consultants give them better advice for finding jobs. Eve
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