Examlex
Tissues are composed of two or more types of cells organized to perform a particular function or functions.
Archaeal Cell Walls
The rigid or semi-rigid component that surrounds cells of archaea, differing in composition from bacterial and eukaryotic cell walls.
Bacterial Cell Walls
Rigid or semi-rigid structures that provide physical protection and shape to bacterial cells, mainly composed of peptidoglycan.
Ralph Waldo Emerson
An American essayist, lecturer, philosopher, and poet who led the transcendentalist movement of the mid-19th century.
American Society
The social structure, culture, and community patterns within the United States characterized by diverse traditions and values.
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