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简述原发性高血压的营养防治原则

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下列有关菌落的叙述,错误的是:

A. 可分为S,R和M型菌落
B. 肉眼可见
C. 由一个细菌形成
D. 一个菌落包含成千上万个细菌
E. 只可在在液体培养基上生长

列物质哪种不是细菌合成代谢的产物:

A. 色素
B. 细菌素
C. 干扰素
D. 维生素
E. 抗生素

无机盐对细菌生长代谢的作用不包括:

A. 构成菌体成分
B. 调节菌体内外渗透压
C. 细菌代谢能量的主要来源
D. 促进酶的活性
E. 某些元素与细菌的生长繁殖致病作用密切相关

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