Dynein arms in a cilium are arranged so that, when activated, the heads push their neighboring outer

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Dynein arms in a cilium are arranged so that, when activated, the heads push their neighboring outer doublet outward toward the tip of the cilium. Consider a cross section of a cilium (see Figure 17−27). Why would no bending motion of the cilium result if all dynein molecules were active at the same time? What pattern of dynein activity can account for the bending of a cilium in one direction?


Figure 17−27image

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Essential Cell Biology

ISBN: 9780393680362

5th Edition

Authors: Bruce Alberts, Karen Hopkin, Alexander Johnson, David Morgan, Martin Raff, Keith Roberts, Peter Walter

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