Question

question 14
1 pts
which set of atoms can be found in all biological macromolecules?
hydrogen, carbon, oxygen
carbon, nitrogen, hydrogen and an r - group
oxygen, hydrogen, phosphate, carbon
nitrogen, carbon, hydrogen

Explanation:

Biological macromolecules include carbohydrates, lipids, proteins, and nucleic acids. All of them contain carbon, hydrogen, and oxygen atoms. Proteins and nucleic acids also contain nitrogen, but not all macromolecules have nitrogen - containing components. Phosphates are mainly found in nucleic acids and some lipids. An R - group is specific to amino acids (sub - units of proteins).

Answer:

Hydrogen, Carbon, Oxygen