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The presynaptic knob contains actin filaments and myosin molecules.The myosin molecules can attach to mitochondria and move them towards the presynapticmembrane, as shown in the diagram.Use your knowledge of how myosin and actin interact to suggest how the myosin moleculemoves the mitochondrion towards the presynaptic membrane.Do not include the roles of calcium ions and tropomyosin in your answer.

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