Phages usually have complex capsids (protein coats) composed of a polyhedral head, containing the nucleic acid (DNA or RNA), and a helical tail, through which nucleic acid is injected into the host.
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释义
噬菌体通常由复杂的衣壳组成一个多角体的头部,包含有核酸(DNA或RNA)和螺旋状的尾管,通过这个尾管核酸可以被注入寄主的体内。
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