Which of these provides the cell with structural support? An animal cell with definite structures labeled from A to E. The long fibril outside the cell connected with its surface is labeled A. The membrane network near the nucleus is labeled B. It is connected with the nucleus membrane. Tiny dots that are labeled C are located everywhere in the cell and do not have any membrane. Thin long filaments near the cell surface are labeled D. Vesicles with solid particles inside are labeled E.