Consider an Actin Subunit That Has Just Been Incorporated into an Actin

Multiple Choice

Consider an actin subunit that has just been incorporated into an actin filament at the leading edge of a lamellipodium. Before its ATP is hydrolyzed, how does its distance from the leading front edge of the plasma membrane change over time? How does its distance from the F-actin minus end change over time?

A) Decreases; decreases
B) Decreases; remains constant
C) Decreases; increases
D) Increases; decreases
E) Increases; remains constant