13. Which of the following description about bacterial protein secretion pathway is notcorrect?
(A) ABC protein secretion pathway can secrete proteins which usually have N-terminal secretion signals.
(B) Some type III secretion machinery is syringe-shaped and secretes virulencefactors directly into host cells.
(C) In some G(-) bacteria, proteins can first be removed across the plasmamembrane through Tat pathway, then delivered to type II secretion system andpassed through the outer membrane.
(D) Type IV secretion pathway can secrete proteins and transfer DNA duringconjugation.
(E) Type V secretion pathway can transport some autotransporters through theouter membrane.