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一、引言核酸是重要的生命基础物质,对生命遗传信息的存储和表达起决定性作用。核酸是一类生物大分子,主要是由四种核苷酸按一定顺序
First, the introduction of nucleic acid is an important basic material of life, the life of genetic information storage and expression play a decisive role. Nucleic acids are a class of biological macromolecules, mainly by four kinds of nucleotides in a certain order