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.
The DNA phosphate group is composed of one phosphate atom bonded to four oxygen atoms. While the deoxyribose sugar bonds to the phosphate groups on either side of it, as well as to a nitrogen-containing base, the phosphate group only bonds to the two deoxyribose sugars that surround it.