Cell Structure and Function Label each of the arrows in the following slide image: AE Onion Root Tip: 1000X Solution A) Cells are in anaphase The cells are arranged such that the centromeres have split at this point and the chromatids have been separated by migrating to the opposite poles. B) Cells here are present in the early prophase of mitosis, where the centriole can now be seen to move towards the opposite poles of the cell. C) cell plate D) not clear.y distinguishable.