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The golden ratio φ and its negative reciprocal −φ −1 are the two roots of the quadratic polynomial x 2 − x − 1. The golden ratio's negative −φ and reciprocal φ −1 are the two roots of the quadratic polynomial x 2 + x − 1. The golden ratio is also an algebraic number and even an algebraic integer. It has minimal polynomial
On average, 1 million bp (1 Mb) correspond to 1 cMorgan (cm = 1% recombination frequency). [60] The frequency of cross-overs remain uncertain. In yeast, mouse and human, it has been estimated that ≥200 double-strand breaks (DSBs) are formed per meiotic cell.
[8] [9] Schumacher also holds the record for the most consecutive drivers' titles with five between the 2000 and the 2004 seasons. [10] Nigel Mansell holds the record of competing in the highest number of seasons before winning the World Championship, entering Formula One in 1980 and achieving the title in 1992 , a span of 13 seasons. [ 11 ]
To form five bonds, the one s, three p and one d orbitals combine to form five sp 3 d hybrid orbitals which each share an electron pair with a halogen atom, for a total of 10 shared electrons, two more than the octet rule predicts. Similarly to form six bonds, the six sp 3 d 2 hybrid orbitals form six bonds with 12 shared electrons. [18]
A review published in the 2007 issue of BJU International showed the average erect penis length to be 14–16 cm (5.5–6.3 in) and girth to be 12–13 cm (4.7–5.1 in). The paper compared results of twelve studies conducted on different populations in several countries.
Annular tautomerism is a type of prototropic tautomerism wherein a proton can occupy two or more positions of the heterocyclic systems found in many drugs, for example, 1H- and 3H-imidazole; 1H-, 2H- and 4H- 1,2,4-triazole; 1H- and 2H- isoindole.
Elizabeth I (7 September 1533 – 24 March 1603) [a] was Queen of England and Ireland from 17 November 1558 until her death in 1603. She was the last monarch of the House of Tudor.
Glycerol (/ ˈ ɡ l ɪ s ə r ɒ l /), [6] also called glycerine or glycerin, is a simple triol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. . The glycerol backbone is found in lipids known as glycerid