what is nucleic acids Share with your friends Share 0 Jahirul Mazumder answered this Please refer the link: https://www.meritnation.com/ask-answer/question/what-are-nucleic-acids/the-fundamental-unit-of-life/2418620 -1 View Full Answer Angel Abraham answered this nucleic acids are a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain. -1