Ribo-This is short for ribose and it is a pentose sugar. Contrast this with the sugar group in DNA which is dexoyribose. Nucleic-Refers to the fact that it originates in the nucleus.
DNA is a double helix formed by base pairs attached to a sugar-phosphate backbone. DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms.
The structure of part of a DNA double helix. Chemical structure of DNA. The phosphate groups are yellow, the deoxyribonucleic sugars are orange, and the nitrogen bases are green, purple,pink, and blue. The atoms shown are: P=phosphorus O=oxygen N=nitrogen H=hydrogen.