Microtubules

ID #1315

I was just looking over the lectures, and I understood it very well except the movies that we watched in class. I mean can you just explain to me briefly what's going on in those movies?


It's always important to identify the "big picture" anytime you find yourself lost on a topic or slide. In these slides, we were in the context of examining what a cell can do with its combinations of microtubules and motor proteins. Specifically, cells can create visual changes in coloration by packing up pigment molecules in small vesicles. These vesicles can then be moved around in the cell by being transported along microtubules (they have motor proteins in their membranes). This allows the vesicles to be either packed together, leading to brightly colored areas, or dispersed throughout the cell, leading to a diffuse, less-colored appearance. That's what both of these movies are showing.

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