Problem 1.1: What is the name of the structure that forms during prophase and is responsible for aligning chromosomes in later mitotic phases? [Solution]

Problem 1.2: What is the most visible physical characteristic of cells in prophase? [Solution]

Problem 1.3: What major event marks the beginning of prometaphase? [Solution]

Problem 1.4: What is the name of the structure that forms on the centromere of a chromosome during late prophase and prometaphase? [Solution]

Problem 1.5: What name is given to the microtubules that attach to chromosomes after the nuclear envelope has been destroyed in prometaphase? [Solution]