What is nucleic acid? Both nucleic acid and protein are important biomolecules. Nucleic acid is not only the basic component of all living cells, but also plays a dominant role in the growth, development, reproduction, heredity and variation of living organisms.It is divided into DNA and RNA,which are formed by connecting the nucleotide 3 - bit and 5 digits of phosphoric acid.
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Nucleic acid is an important macromolecule peculiar to organism and is also the basic component of all biological cells.