What Circumstantial Evidence Supports the Proposed Role of the Rabs

Multiple Choice

What circumstantial evidence supports the proposed role of the Rabs in recruiting cytosolic tethering proteins to specific membrane surfaces?

A) With over 60 Rab genes identified in humans,Rabs constitute the most diverse group of proteins involved in membrane trafficking.
B) Rabs have the potential of giving each cell compartment a unique surface identity.
C) Different Rabs have been found to be associated with different membrane compartments.
D) The preferential localization of Rabs allows them to recruit the proteins involved in targeting specificity.
E) All of these are correct statements that support the proposed role of the Rabs.