Answer:
Hydroxyl
Explanation:
Hydroxyl groups are simple structures consisting of an oxygen atom with two lone pairs bonded to a hydrogen atom.
A hydroxy or hydroxyl group is a functional group with the chemical formula -OH and composed of one oxygen atom covalently bonded to one hydrogen atom.
Using these given definitions, a hydrogen bond is labeled with one linkage, while a covalent bond is with two links to the Carbon Atom.
See attached image for a similar diagram for proof.
 
        
             
        
        
        
Answer:
Nucleotide is the polymer for a Nucleic Acid. 
 
        
             
        
        
        
Sorry idk My bad I just need points for my calculus assignment