RNA是什么意思音标:英 [ˌɑ:ren'eɪ]美 [ˌɑ:ren'eɪ]

[医] 核糖核酸

n (biochemistry) a long pnear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell