Examlex
An atom whose outer electron shell is filled is
Nucleolus
A structure within the nucleus of a cell where ribosomal RNA is produced.
Microtubules
Cylindrical structures within the cell that are part of the cytoskeleton, helping in cell shape, division, and intra-cellular transport.
Centrioles
Cylindrical structures found in animal cells that are involved in the development of spindle fibers in cell division.
Microvilli
Tiny projections on the surface of some cells that increase surface area for absorption or secretion.
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