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When a B cell first interacts with its particular antigen, the B cell
Race
A social construct used to categorize and differentiate human populations based on physical characteristics, often entwined with historical, cultural, and political factors.
Brazil
A large country in South America known for its diverse culture, rainforests, and significant contributions to global agriculture, soccer, and music.
United States
A country in North America, comprised of 50 states, a federal district, and several territories, known for its democratic government and diverse population.
Mariel Boat Lift
A mass emigration of Cubans to the United States in 1980, with around 125,000 people leaving Cuba from the port of Mariel to Florida.
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