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当前学科：医学微生物学与免疫学(基础医学)
题目：
选择题
细菌的芽胞：
A. 是细菌的繁殖形式
B. 通常是在缺氧条件下形成
C. 是细菌在特定环境条件下形成的有抗性的休眠体
D. 是细菌的有性遗传物质
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