Answer:
The answer to your question is: Nucleic acids.
Explanation:
All biomolecules are composed by Carbon (C), Hydrogen (H) and Oxygen (O)
and others elements composed just a certain biomolecules as we can see below.
Biomolecule Elements Biomolecule
A) C H O Carbohydrates
B) C H O and sometimes P Lipids
C) C H O N S Proteins
D) C H O N P Nucleic acids.