In the Following Schematic Drawing, in Which Direction (1 or 2)

Multiple Choice

In the following schematic drawing, in which direction (1 or 2) is the keratocyte migrating? What is the approximate length of the cell indicated by the bar on the left?

A) Direction 1; about 20 µm
B) Direction 1; about 2 µm
C) Direction 2; about 20 µm
D) Direction 2; about 2 µm
E) Either direction; about 2 µm