If you had instead shown mitosis in a plant cell, which feature would you have to change and how would you show it?
Answers
Answer:
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Explanation:
Animal cell constricts at the equatorial region to divide in two daughter cells. Plant cell divides by depositing a partition plate at the equator of the cell. Plant cell develops anastral spindle while animal cell develops astral rays at the poles during division.
If I had to show mitosis in a plant cell, one feature that I would have to change is the presence of centrioles. Unlike in animal cells, plant cells do not have centrioles that organize the spindle fibers during cell division. Instead, the spindle fibers originate from the microtubule organizing centers (MTOCs) called the spindle poles that are located at the opposite ends of the cell.
To show this in a diagram, I would depict the spindle poles at the opposite ends of the cell with the spindle fibers radiating outwards from them. The chromosomes would still align at the metaphase plate, but the spindle fibers would not be attached to centromeres, as they are in animal cells. Instead, the spindle fibers would attach to the chromosomes' kinetochores, which are located on the sides of the centromeres.
In addition, plant cells also form a cell plate during cytokinesis, which eventually becomes the cell wall. So, in the final stage of mitosis, instead of a cleavage furrow forming as in animal cells, a new cell wall begins to form in the center of the cell, dividing it into two daughter cells. This could be depicted in the diagram as a new cell wall forming between the two daughter nuclei as they move apart.
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