The structure of nucleotide monomers. A nucleotide is made of a nucleobase (also termed a nitrogenous base), a five-carbon sugar (either ribose or 2-deoxyribose) depending on if it is DNA or RNA, and one or, depending on the definition, more than one phosphate groups.ucleotides contain either a purine or a pyrimidine base. Ribonucleotides are nucleotides in which the sugar is ribose. Deoxyribonucleotides are nucleotides in which the sugar is deoxyribose. Nucleic acids are polymeric macromolecules made from nucleotide monomers.
Origin of the name Cassandra: Derived from the Greek Kassandra, the mythological daughter of Priam and Hecuba who had the power of prophesy. Var: Casaundra, Kasandra, Kassandra, Kasaundra.Short: Cass, Kass, Sandra, Saundra. Pet: Cassi, Cassie, Cassy, Kassi, Kassie, Sandi, Sandie, Sandy.ccording to the baby name book Cool Names by Pamela Redmond Satran and Linda Rosenkrantz, the name Cassandra is 'cooler' than the names Cassidy and Casey.
The Meaning Of The Name Helen. Meaning of Helen: English form of the Greek âÎµÎ»ÎµÎ½Î· (Helene), probably from Greek âÎµÎ»ÎµÎ½Î· (helene) âtorchâ or âcorposantâ, or possibly related to ÏÎµÎ»Î·Î½Î· (selene) âmoonâ. In Greek mythology Helen was the daughter of Zeus and Leda, whose kidnapping by Paris was the cause of the Trojan War.