How many nucleotides is RNA composed of?

RNA is a single-stranded molecule and there are three different forms RNA. They are mRNA, tRNA, and rRNA.

RNA is composed of four individual nucleotides. These four nucleotides include adenine, cytosine, guanine, and uracil, which replaces thymine in DNA.. A nucleotide consists of a phosphate group, sugar, and a phosphate group.