Examlex
The nucleotide sequence within the genes that produce B cell receptor and antibodies are reshuffled by a process called somatic recombination.This produces the huge variability in antibody types.
Nile's Source
The origin of the Nile River, historically a subject of exploration and debate, now identified with two primary tributaries: the Blue Nile (originating in Lake Tana, Ethiopia) and the White Nile (originating in Lake Victoria, across Uganda, Tanzania, and Rwanda).
Christianized
Converted or adopted to Christianity or its values.
Velázquez
Diego Velázquez was a leading artist of the Spanish Golden Age, known for his masterful use of realism and complex compositions.
Chamberlain
A senior official who manages the household of a monarch or noble, historically responsible for the private chambers and overseeing domestic affairs.
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