Answer and Explanation:
Biological molecules contain many different types and combinations of functional groups which will affect its properties, structure, solubility, and reactivity.
A few of the most important chemical functional groups in biological molecules are: Sulfhydryl, Amine, Hydroxyl, Carboxyl, Carbonyl, Thiol, Amino, and Phosphate.
So, check your complete question and anyone in your options that I didn't list here is the correct answer.