Identify the following amine base found in nucleic acids. 
Definitions:
Copper
A reddish-brown metal with high electrical and thermal conductivity, widely used in electrical wiring and in alloying.
Ionic Balance
The state of equilibrium in a system where the total charge of ions is balanced, crucial for various biological processes.
Sodium
A chemical element, symbol Na, that is a highly reactive metal and an essential component in the bodies of animals, important for nerve impulse transmission and fluid balance.
Chlorine
A chemical element with symbol Cl and atomic number 17, known for its disinfecting properties and used in the production of a wide array of products.
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