Lab3 - LAB#3 1 Longest Stage of mitosis_prophase 2 Shortest...

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LAB #3 1. Longest Stage of mitosis __prophase__. 2. Shortest stage of mitosis ___anaphase___ . 3. Diagram all stages of mitosis actively dividing (on a separate sheet of paper in color). - On next page 4. What occurs in the interphase stage? - Duplication occurs in the interphase stage of mitosis. 5. How are animal and plant mitosis different? - The difference in animal and plant mitosis is in the prophase stage where the animal’s mitotic spindle forms between centrosomes on one side of the nucleus and the plants cortical microtubules grow together to form the spindle around the nuclear envelope. In addition, in telophase animals a Contractile ring (actin, myosin) forms approximately midway between the two nuclei in the dividing cell and in plants a Phragmoplast (actin, myosin, microtubules) forms in center of cell, where new cell wall will be formed. 6. Where does mitosis occur in the onion? - Mitosis occurs in the onion during the prophase stage.
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This note was uploaded on 04/18/2008 for the course PS 107L taught by Professor Griggs during the Spring '08 term at Embry-Riddle FL/AZ.

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Lab3 - LAB#3 1 Longest Stage of mitosis_prophase 2 Shortest...

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