The virus is a single-stranded RNA virus belonging to the virus family Arenaviridae.

该病毒是一种单链核糖核酸（RNA）病毒，属于沙粒病毒科。

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MicroRNAs are a new class of small, single-stranded RNA molecules which play an important regulatory role in cell biology.

微小rna是一种新的小的，单链的RNA分子，其在细胞生物学中扮演重要的调节作用。

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Mammalian cells make only the single-stranded variety. If a cell’s defence mechanisms detect double-stranded RNA they destroy it, to protect against infection.

哺乳动物细胞只能识别单链RNA,如果细胞的防御机制发现了双链RNA就会破坏它以保护机体不受病毒的感染。

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The HIV retrovirus, in particular, is a single-stranded RNA virus that duplicates itself in a host cell by converting its genetic code into double-stranded DNA that is then inserted into the host cell.

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