Choose the true statement(s) about prokaryotic external appendages. To be marked correct, youll need to select all true statements, as there may be more than one correct answea.Pili allow for adhesion, movement, and aid in gene transfer through conjugation b.Fimbriae aid in gene transfer through conjugation. c.Flagella allow for motility. d.The glycocalyx promotes adhesion and interferes with phagocytosis.