order the stages of cell cycle from shortest (1) to longest (4). After the longest and shortest stage, give a brief explanation of why that stage may have that time period. Interphase: Prophase: Metaphase: Anaphase: Telophase:

Explain how interference with mitotic structures or disruption of mitotic processes affects cell reproduction and ultimately the organism.

Approximately what percentage of the cell cycle time does a cell spend in interphase?   Question options:   70%   80%   60%   90%

Answer each question with a paragraph; 3-5 sentences each.   Explain the difference between a proto-oncogene and a tumor-suppressor gene. Explain the difference between prokaryotic and eukaryotic cell division. Explain the difference between positive regulation of the cell cycle and negative regulation of the cell cycle. Explain the difference between normal p53 and mutated p53. Find two differences and two similarities between binary fission and mitosis.