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the immunity with which an organism is born.
structure within the cell cytoplasm that is surrounded by its own membrane and has a specific...
unicellular fungi, most of which reproduce asexually by a process called budding.
the neurons that link motor and sensory neurons within the central nervous system.
coiled nephron tubule which extends from Bowman's capsule to the loop of Henlé.
the difference between the concentrations of a specific molecule in two adjacent areas.