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Há 22 horas · A chromosome and its packaged long strand of DNA unraveled. The DNA's base pairs encode genes, which provide functions. A human DNA can have up to 500 million base pairs with thousands of genes. In biology, the word gene ( Greek: γένος, génos; [1] generation, [2] or birth, [1] or gender) has two meanings.
Há 22 horas · The American bison ( Bison bison; pl.: bison ), also called the American buffalo or simply buffalo (not to be confused with true buffalo ), is a species of bison native to North America. It is one of two extant species of bison, alongside the European bison. Its historical range circa 9000 BC is described as the great bison belt, a tract of ...
Há 22 horas · v. t. e. The Oklahoma City bombing was a domestic terrorist truck bombing of the Alfred P. Murrah Federal Building in Oklahoma City, Oklahoma, United States, on April 19, 1995, the second anniversary of the end to the Waco siege. The bombing was the deadliest act of terrorism in U.S. history before the September 11 attacks in 2001, and it ...
