下列有关细菌的叙述,错误的是                        

下列有关细菌的叙述,错误的是                          (     )

A.细菌有细胞壁                        B.细菌的遗传物质是DNA

C.细菌在生态系统中是分解者             D.细菌在不良环境条件下能形成孢子

答案

D

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