Cell structure Confocal light micrograph of cultured endothelial cells A fluorescent dye has been used to show the cell structure Nuclei blue contain the cells genetic information DNA deoxyribonucleic acid packaged in chromosomes Actin filaments part of the cell cytoskeleton are green The cytoskeleton is responsible for the structure and motility of the cell Actin is the most abundant cellular protein The golgi apparatus or body red is a membranebound organelle that modifies and packages proteins It consists of long flattened vesicles arranged in stacks Endothelial cells are flat and line all of the bodys blood vessels
