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It is one of the more striking generalizations of biochemistry - which surprisingly is hardly ever mentioned in the biochemical textbooks - that the twenty amino acids and the four bases, are, with minor reservations, the same throughout Nature.
Golf is played by twenty million mature American men whose wives think they are out having fun.
In front of us was not a line but a fortress position, twenty miles deep, entrenched and fortified, defended by masses of machine-gun posts and thousands of guns in a wide arc. No chance for cavalry!
I prayed for twenty years but received no answer until I prayed with my legs.
Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young.
With a recent birthday, I've been acting now for twenty years.
In matters of commerce the fault of the Dutch Is offering too little and asking too much. The French are with equal advantage content, So we clap on Dutch bottoms just twenty per cent.
If you haven't turned rebel by twenty you've got no heart; if you haven't turned establishment by thirty you've got no brains!
In cross-country skiing, athletes propel themselves over distances of ten and twenty miles - a physical challenge that places intense demands on the ability of their red blood cells to deliver oxygen to their muscles.
After about twenty issues of Josie, they decided to pay me.
