Examlex
Which protein in the arabinose operon is responsible for both positive and negative regulation of transcription?
Presidential Election of 1844
A significant American election where James K. Polk was elected the 11th President of the United States, emphasizing manifest destiny and expansionism.
Mexicans
Refers to the people of Mexico, a country in North America with a rich cultural heritage that includes influences from ancient civilizations such as the Maya and the Aztec.
Whigs
A political party active in the 19th century in the United States, which was opposed to the Democratic Party and supported modernization and economic protectionism.
Democrats
Members of the Democratic Party, one of the two major contemporary political parties in the United States, traditionally supporting progressive and liberal policies.
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