Purines and pyrimidines are two of the building blocks of nucleic acids. Only two purines and three pyrimidines occur widely in nucleic acids. Here are their structures in organic chemists' line notation: The Purines Adenine Guanine The Pyrimidines Cytosine Thymine Uracil.urines and pyrimidines are two of the building blocks of nucleic acids. Only two purines and three pyrimidines occur widely in nucleic acids. Here are their structures in organic chemists' line notation: The Purines Adenine Guanine The Pyrimidines Cytosine Thymine Uracil.
The Irish flag was introduced by Thomas Francis Meagher in 1848. The green represents the Irish people, most of whom most are Catholic. The orange color represents the British supporters of William of Orange who settled in Northern Ireland in the 17th century most of whom are Protestant.The white in the center represents the peace between the two groups.he green represents the Irish people, most of whom most are Catholic. The orange color represents the British supporters of William of Orange who settled in Northern Ireland in the 17th century most of whom are Protestant. The white in the center represents the peace between the two groups.
Last but not least, when the color fades, it tends to turn into a shade of green. Green is easily accepted for how green the land is, but Blue is the true color of St. Patrick. Further The official standard of the President of Ireland is the golden Clairseach (ClÃ¡irseach Irish) harp on a field Of. St'patrick s. blue