What must happen before a cell can begin mitosis? hints what must happen before a cell can begin mitosis? the nuclear envelope must break up. the nucleus must divide in two. the chromosomes must be duplicated. a mitotic spindle must form. the sister chromatids must be separated. submitmy answersgive up part b the centrosomes move away from each other and the nuclear envelope breaks up during which phase of mitosis? hints the centrosomes move away from each other and the nuclear envelope breaks up during which phase of mitosis? interphase metaphase telophase prophase anaphase submitmy answersgive up part c the chromosomes line up in the center of the cell during which phase of mitosis? hints the chromosomes line up in the center of the cell during which phase of mitosis? telophase anaphase prophase metaphase interphase submitmy answersgive up part d the sister chromatids separate and begin moving toward opposite poles of the cell during which phase of mitosis? hints the sister chromatids separate and begin moving toward opposite poles of the cell during which phase of mitosis? interphase anaphase prophase telophase metaphase submitmy answersgive up part e the chromosomes arrive at the poles and nuclear envelopes form during which phase of mitosis? hints the chromosomes arrive at the poles and nuclear envelopes form during which phase of mitosis? telophase prophase metaphase anaphase interphase submitmy answersgive up part f at the end of the mitotic (m) phase, the cytoplasm divides in a process called _________________. hints at the end of the mitotic (m) phase, the cytoplasm divides in a process called _________________. meiosis condensation cytokinesis telophase replication submitmy answersgive up?