Respuesta :
Answer: Because they are what gives DNA, and keeps track of the heredity of the parent(s).
Explanation:
Nucleic Acid, DNA, (Deoxyribonucleic acid) is the blueprint of making genetic material.
Nucleic acids are vital for cell functioning, and therefore for life. There are two types of nucleic acids, DNA and RNA. Together, they keep track of hereditary information in a cell so that the cell can maintain itself, grow, create offspring and perform any specialized functions it's meant to do