VISUAL SKILLS The light micrograph shows dividing cells near the tip of an onion root. Identify a cell in each of the following stages: prophase, prometaphase, metaphase, anaphase, and telophase. Describe the major events occurring at each stage.

A hypothetical poison prevents transcription factors from binding to the gene for tubulin proteins. What impact would this have on mitosis, and why?

Which of the following is not a phase of mitosis?

a. Interphase

b. Prophase

c. Anaphase

d. Metaphase

The correct sequence for the phases of mitosis is: