Which of the following statements best describes a macromolecule?
a macromolecule is made up of dna and has a double helix shape.
a macromolecule is made of carbon, hydrogen, oxygen, and nitrogen and is in a ring like or linear structure.
a macromolecule is a polymer with a high molecular mass and includes four main groups: carbohydrates, lipids, proteins, and nucleic acids.
a macromolecule is a small particle that retains the physical properties of an element.