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ID number:580665
 
Author:
Evaluation:
Published: 15.02.2010.
Language: Russian
Level: Secondary school
Literature: n/a
References: Not used
Extract

1.Они содержат только один из типов нуклеиновых кислот: (РНК), либо (ДНК), - а все клеточные организмы, содержат и ДНК, и РНК одновременно.
2.Нет обмена веществ, ограниченное число ферментов. используют обмен веществ клетки-хозяина, ее ферменты и энергию.
3.Могут существовать только как внутриклеточные паразиты…

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