Indicate if each of the following changes occurring during mitosis in a fibroblast is the result of the reorganization of actin filaments (A), microtubules (M), or intermediate filaments (I). Your answer would be a five-letter string composed of letters A, M, and I only; e.g. AIAAM.
( ) The cell rounds up.
( ) The endoplasmic reticulum collapses.
( ) The Golgi apparatus fragments.
( ) The primary cilium is resorbed (disappears).
( ) The contractile ring forms and constricts.