BIO 1140 Chapter Notes - Chapter 8,42: Spindle Apparatus, Basal Lamina, Cell Junction
16 Aug 2016
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Objectives you should be able to answer these questions. Compare how each component of the cytoskeleton is formed. Relate the structure of the cytoskeletal fibers to their roles in the cell. Associate the different cytoskeletal fibers with their preferred molecular motors and contrast their characteristics with respect to their roles. Discuss how cellular motility and mobility are different and how they are accomplished. Describe what the extracellular matrix is made of, and interpret why it is important to cells. 8. 4 formation and action of the mitotic spindle. During mitosis, microtubules forming the cytoskeleton are broken down and used as spindle fibers for mitotic divisions. 8. 4a animals and plants form spindle fibers in different ways. Eukaryote cells have a centrosome, acting as the microtubule organizing centre (mtoc). Within the centrosome, there are centrioles, once thought to be the creator of the mitotic spindle, actually creates.
