This simplicity has led to an obligate requirement for intracellular growth and a heavy dependence on host cell structural and metabolic components.
A. 细胞外的
B. 细胞内的
C. 完整的细胞
D. 不完整的细胞
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The finding that bacteria could be infected by viruses began in 1917 with the discovery of bacteria viruses or bacteriophages.
A. 朊病毒
B. 支原体
C. 衣原体
D. 噬菌体
They replicate inside specific host cells by using the biosynthetic systems of the host under the direction of the viral genomes.
A. 繁殖
B. 复制
C. 折叠
D. 重复
chemoorganotrophs _____________。