Both are essential for our genes to be expressed. It is like the instruction book or recipe for the cake.
Amino acids are the ingredients of the cake itself.
Both types of nucleic acid are built from smaller structural units called nucleotides . It is even found in some viruses. Within human cells it is found mostly in the nucleus , as chromosomes. However, small amounts are also found in mitochondria, the 'power houses' of the cell. In the nucleus the DNA exists as a long, linear molecule for each chromosome.