Question

1. which of these does not occur during mitosis?

separation of chromatids
dissolving of the nuclear envelope
division of the cytoplasm
formation of chromosomes

Explanation:

Mitosis consists of prophase, metaphase, anaphase, telophase. In prophase, the nuclear envelope dissolves and chromosomes form; in anaphase, chromatids separate. Cytoplasm division (cytokinesis) occurs after mitosis concludes, not during mitosis itself.

Answer:

Division of the cytoplasm