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The diagram below shows a growth cone of a neuron in culture. Slit is applied in a glass pipette as indicated. Which of the following diagrams best represents the dynamics of acting filaments (red lines; thick & solid-polymerized, thin & dashed-depolymerized) in the growth cone in response to Slit? Slit O Diagram C Diagram A Diagram D Diagram B B
A developmental manner. is a substance that instructs fate in a concentration-dependent