Mitosis

Problem : What is the name of the structure that forms during prophase and is responsible for aligning chromosomes in later mitotic phases?

Problem : What is the most visible physical characteristic of cells in prophase?

Problem : What major event marks the beginning of prometaphase?

Problem : What is the name of the structure that forms on the centromere of a chromosome during late prophase and prometaphase?

Problem : What name is given to the microtubules that attach to chromosomes after the nuclear envelope has been destroyed in prometaphase?