1) Spica is the brightest star in the constellation Virgo. 2) Virgo is the mutable earth sign of the western zodiac. 3) Queen Elizabeth I was born on 7 September 1533, and so is a Virgo. 4) The Virgin Mary translates as Virgo Maria in Latin.
Phosphate group: A functional group characterized by a phosphorus atom bonded to four oxygen atoms (three single bonds and one double bond). One of these oxygen atoms must be bonded to another atom; if not, the structure is a phosphate ion. Generic phosphate group molecular structure.
Phosphate groups can be joined together to form phosphodiester bonds. Phosphate groups can also be joined to other molecules, such as sugar. When phosphate is added to a nucleoside, the molecule is called a nucleotide.