different structures of cytoskeleton of eukariotic cells

actin animal axon biochemistry biological biology cell cells cellular centrosome component contraction cytoplasm cytoskeletal cytoskeleton diagram didactic different eukariotic eukaryotic fiber filament filaments growth illustration intermediate membrane microfilament microfilaments microscopic microtubule microtubules mitosis molecular molecule motility nucleolus nucleus organelles plant protein proteins proto scheme science scientific structure structures tubule tubulin vector