Examlex
The PER and TIM proteins accumulate during the day until they cause sleepiness. What prevents them from continuing to accumulate at night?
Latin America
A region in the Western Hemisphere comprising countries where Romance languages—primarily Spanish and Portuguese, alongside French—are predominantly spoken.
Alliance For Progress
An initiative launched by U.S. President John F. Kennedy in 1961 aimed at establishing economic cooperation between the U.S. and Latin America.
Economic Aid
Economic aid is assistance given by one country or international organization to another in forms such as grants, loans, or credits to support the receiving country's economy.
Military Alliances
Formal agreements between nations to support each other militarily in the event of war or conflict.
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