Examlex
About _______% of the animals used in research are not lab-reared rodents.
Nuclei
Nuclei are the centralized organelles found in eukaryotic cells, containing most of the cell's genetic material (DNA).
Tadpole
The larval stage of amphibians, particularly frogs and toads, characterized by a tail for swimming and gills for breathing.
Undifferentiated Cells
Cells that have not yet specialized into a specific cell type and retain the capacity to develop into various cell types in the body.
Specialize
The process by which cells or organisms adapt or become more suited to perform a specific function or to thrive in a particular environment.
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