Ohograde axonal transpo involves all except

"Ohograde transpo occurs along microtubules that run along the length of the axon and requires two molecular motors, dynein and kinesin. The ohograde transpo moves from the cell body toward the axon terminals." Features of Axoplasmic TranspoTranspo typeSpeed MechanismMaterial TranspoedFast Anterograde400Saltatory movement along microtubules by the motor molecule kinesin Mitochondria Vesicles containing peptide and other neurotransmittersSome degradative enzymes Fast Retrograde200-300Saltatory movement along microtubules by the motor molecule dynein Degraded vesicular membraneAbsorbed exogenous material Slow Anterograde0.2-8Not clear; Possibly by molecular motorsCytoskeletal elements SOluble proteins of intermediary metabolismActinReference: Boron Medical Physiology, updated 6th edition; Page: 270