Carbon is the common element in all the macromolecules.
• The four prime classes of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.
• All the macromolecules comprise atoms of carbon as their main structural components. The carbon is an atom that possesses the tendency to bond with all the four other atoms.
• The biological macromolecules comprise carbon in the form of chain or ring.
• The majority of the macromolecules are formed of single subunits or building blocks known as monomers.
• All the four macromolecules exhibit atoms of carbon. It is the fundamental constituent of all these macromolecules.
• Carbon is a versatile element that functions to act as the fundamental structural constituent or backbone of the macromolecules.
Thus, it is the carbon, which is the common element found in all the macromolecules.
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