Answer:
carbohydrate
Explanation:
Carbohydrates are the only biomolecule, among the options given, which do not have carbon-nitrogen bonds, since nitrogen is an absent element in carbohydrates. Carbohydrates are the most abundant biomolecules in nature. They are essential for the functioning of the body, both in the energetic question - being the main source of energy for the body to perform daily activities - and in the structural question - composing the DNA itself and other very important structures for the proper functioning of the body. human metabolism.
