Respuesta :
The 3 parts are
1) A five carbon ribose sugar
2) A Phosphate molecule
3) The four nitrogenous bases
I hope that's help !
Like DNA, RNA polymers are make up of chains of nucleotides. These have three parts a five carbon ribose sugar. A phosphate molecule . And one of four nitrogenous bases adenine, guanine, cytosine, or uracil