1.RNA is a single-chain poly-ribonucleotide that works as a carrier of coded genetic or hereditary information from DNA to cytoplasm by taking part in protein synthesis.
2.It contains 70-1200 ribonucleotides joined end to end.
3.The axis or backbone is formed of alternate residues of phosphate and ribose sugars.
4.The phosphate combines with carbon 5' of its sugar and carbon 3' of the next sugar.
5.Nitrogen bases are attached to sugars at carbon 1' of the latter.
6.There are 4 bases : Adenine(A), Guanine
(G), Uracil (U) ,Cytosine(C).