Respuesta :
Answer:
B) Proteins
Explanation:
Proteins are the only biological macromolecules that does contain nitrogen is proteins. Carbhohydrates, Unsaturated fats, lipids all do not contain nitrogen
Answer:
B) Proteins
Explanation:
Proteins are the only biological macromolecules that does contain nitrogen is proteins. Carbhohydrates, Unsaturated fats, lipids all do not contain nitrogen