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SlideshowReport

Fast Axoplasmic Transport

Description
This figure shows how kinesin molecules (a) “walk” down a microtubule, carrying their cargo from the soma to the terminal buttons. Another protein, dynein, carries substances from the terminal buttons to the soma. (b) A photomicrograph of a mouse axon, showing an organelle being transported along a microtubule. The arrow points to what appears to be a kinesin molecule. (From Hirokawa, N. Science, 1998, 279, 519–526. Copyright © 1998 American Association for the Advancement of Science. Reprinted with permission.)
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