The four nitrogenous bases that make up the DNA structure are divided into two groups, called purines and pyrimidines. Adenine and guanine are purines, and chemically are double-ringed structures - a five cornered ring and a six cornered ring. They are much larger than pyrimidines.
James Mason (I) (1909â1984) James Mason was a great English actor of British and American films. He was born in Yorkshire, and attended Marlborough and Cambridge, where he discovered acting on a lark, and abandoned a planned career as an architect. Following work in stock companies, he joined the Old Vic under the guidance of Sir Tyrone Guthrie and of Alexander Korda, who ...
Masons are men who have joined a fraternity, and who refer. to themselves as Freemasons. The main principles of Freemasonry insist that each member. show tolerance, respect and kindness in his actions toward. others; practices charity and care for the community as a. whole; and strives to achieve high moral standards in his. own personal life. Honor and integrity are at the core of the Masonic belief.