Examlex
One striking feature of plasma membrane structure is its symmetry,with the extracellular and cytoplasmic surfaces virtual mirror images of each other.
Poll Tax
A poll tax is a fixed fee charged by governments on individuals as a precondition for the right to vote, historically used to disenfranchise minority and low-income groups.
African Americans
In the United States, a group identified by their heritage from African black racial groups.
Nonviolent Civil Disobedience
The act of protesting laws, rules, or policies through peaceful means, without using violence.
Martin Luther King, Jr.
An influential American civil rights leader known for his advocacy for racial equality and nonviolent resistance.
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