Examlex
The form of nitrogen used by plants to produce various amino acids,proteins,nucleic acids,and vitamins is ____.
Centrosomes
Organelles that serve as the main microtubule organizing centers in animal cells, playing a key role in the spatial organization of cell division.
Actin Filaments
Actin filaments are thin protein fibers that, along with myosin, play a crucial role in muscle contraction and cell movement.
Intermediate Filaments
A component of the cytoskeleton in eukaryotic cells that provides mechanical strength and support, made up of proteins that vary according to the cell type.
Microtubules
Cylindrical structures found in the cytoplasm of eukaryotic cells, composed of tubulin proteins, playing key roles in cell shape, division, and intracellular transport.
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