How Do Growth Cones Interact with Attractive and Repulsive Cues

Multiple Choice

How do growth cones interact with attractive and repulsive cues in their environment?

A) Receptor proteins in the filopodia membrane interact with cues in the environment.
B) The growth process is a random one of extension and contraction in any direction.
C) The cues provide physical barriers around which the growth cone moves.
D) The attractive and repulsive cues are located within the growing cell.