RNA病毒是生物病毒的一种，属于一级。 它们的遗传物质是有核糖核酸组成（RNA ribonucleic acid），通常核酸是单链的(ssRNA single-stranded RNA),也有双链的（dsRNA double-stranded RNA）.单链的RNA病毒根据他们的翻译意义可分为正义、负义和双向翻译的RNA病毒，正义的RNA病毒与mRNA相似，可以直接被宿主细胞翻译成蛋白质；负义RNA病毒则需要借助RNA酶的作用，以自身为模板编译出与原病毒相反义的RNA，之后再以此RNA来翻译成蛋白质。
rna病毒
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原声例句
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HIV is a member of the family of viruses called retroviruses, and retroviruses all use RNA as their genetic material.
IV是一种逆转录病毒,所有逆转录病毒均以RNA作为遗传物质
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You know that some viruses use RNA as their genetic material and so their lifecycle is going to be slightly different than this.
有些病毒利用RNA作为遗传物质,而且正因如此,它们的生命周期,会与前者有所不同
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Because HIV is an RNA virus and if it enters your cell the only way it can replicate, it can put its DNA into your cells, is by first making DNA out of its RNA genome.
因为HIV是RNA病毒,如果它进入你的细胞,它复制自己的唯一方式,它能把自己的DNA转入你的细胞,方法是先用自己的,RNA基因组制造出DNA
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