Question

Biological macromolecules like DNA, enzymes, carbohydrates, and fats have different structures and functions. Which of the following features do all of these molecules have in common?
a.)They are often composed of three-dimensional solid networks of carbon, potassium, nitrogen, and sulfur.
b.)They are composed of three-dimensional amino acids that contain carbon, hydrogen, oxygen, and nitrogen.
c.)They are two-dimensional, sheet like structures made up of proteins, carbon, oxygen, phosphorus, and silicon.
d.)They are chain like molecules composed of simple building blocks made mostly of carbon, hydrogen, and oxygen atoms.