Answer:
RNA means
RNA, abbreviation of ribonucleic acid, complex compound of high molecular weight that functions in cellular protein synthesis and replaces DNA (deoxyribonucleic acid) as a carrier of genetic codes in some viruses
RNA shape
RNA is typically single stranded and is made of ribonucleotides that are linked by phosphodiester bonds. 1. RNA contains the pyrimidine uracil in place of thymine found in DNA. Figure 2. DNA is typically double stranded, whereas RNA is typically single stranded.