Question

All life is made up of complex molecules built on a framework of ________ atoms.

Answer 1

All life is made up of complex molecules built on a framework of carbon atoms.

Step-by-step explanation:

All life is made up of complex molecules built on a framework of carbon atoms. Carbon atoms can form covalent bonds with up to four different atoms, making them ideal to form the "backbone" of macromolecules such as proteins, nucleic acids, carbohydrates, and lipids.