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Cytokinesis in Animal and Plant Cells
Description
Cytokinesis represents the final stage of cell division, during which the cytoplasm physically separates to form two distinct daughter cells. This video illustrates the fundamental structural differences in how this process unfolds: in animal cells, a contractile ring composed of actin and myosin proteins pinches the cell apart, while in plant cells, a new cell wall is constructed through the formation of a specialized structure known as the phragmoplast.
Original title
ציטוקינזיס בתאי בעלי חיים וצמחים
תהליך הציטוקינזיס מהווה את השלב הסופי של חלוקת התא, שבו הציטופלזמה נפרדת לשני תאי בת. הסרטון מציג את ההבדלים המבניים בין בעלי חיים, המשתמשים בטבעת כיווץ של חלבוני אקטין ומיוזין, לבין צמחים הבונים דופן תא חדשה באמצעות שלפוחית המכונה פרגמופלסט.
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