Which of the Following Statements Concerning Plasmodesmata Is FALSE

Multiple Choice

Which of the following statements concerning plasmodesmata is FALSE?

A) They can mediate the transport of proteins and RNA.
B) Their openings can be regulated by actin and myosin..
C) They serve as paths for electrical signaling.
D) Their permeability can be controlled by callose.
E) Their similar symplastic domains cause them to be passive structures.