2013年8月2日,新西兰乳业巨头恒天然集团曝出其生产的浓缩乳清蛋

 2013年8月2,新西兰乳业巨头恒天然集团曝出其生产的浓缩乳清蛋白中检出肉毒梭状芽胞杆菌,该菌是一种厌氧芽胞杆菌,在厌氧繁殖过程中能分泌毒性极强的肉毒毒素,该毒素能引起特殊的神经中毒症状,致残率、病死率极高。下列与此菌相关的叙述不正确的是(   

A与呼吸道相比,消化道更容易被肉毒梭状芽胞杆菌感染而致病

B.肉毒梭状芽胞杆菌细胞中没有染色体,其繁殖方式为二分裂

C.肉毒梭状芽胞杆菌无线粒体,有核糖体

D.外毒素能刺激机体产生抗体而发挥细胞免疫作用

答案

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