43. How is myosin movement regulated? 44. What proteins are involved in redistri

Question

43. How is myosin movement regulated? 44. What proteins are involved in redistributing the microfilament cytoskeleton within a cell? 45. How does the trailing edge of a crawling cell release its hold on the substratum? 6. What types of cells in an animal are motile? 47. How do trimericG-proteins become activated (How do signal sensors switch trimeric G-proteins from inactive to active states?)? Are G-proteins kinases? 49. What intracellular protein is able to turn a trimericG-protein on? 50. How do trimericG-proteins turn off?

Explanation / Answer

43) The cycle starts as follows

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