(biochemistry) a long linear 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;
"ribonucleic acid is the genetic material of some viruses"
RNA的用法和样例:
例句
Any of a group of red dyes used as a biological stain, especially to detect the presence of RNA. 焦宁; 二苯氧芑胶染料用作生物染色剂的一组红色染料中的任一种,尤指用来探测核糖核酸的存在