Respuesta :

Answer:
            The correct option is c ( both DNA and RNA).

Reason:
            Both DNA and RNA is made from samll unit called nucleotide. Each nucleotide is composed of three components:
1. pentose sugar
2. phosphate group, and
3. nitrogenous base. 

The structure of nucleotide is given in figure.
 
Ver imagen biologistkhan

Answer: I agree with c.

Explanation: if you look closely you would see a bunch of phosphate group.