FILL IN THE BLANK. Identify all the characteristics that are associated with type III secretion systems._____Found only in Gram-positive bacteria._____Look like small molecular syringes that inject bacterial compounds into a cell._____Look like complex export pumps that send bacterial compounds into the external environment._____Cells will either have type III secretion systems or a cell wall, but not both._____The proteins transported by a type III secretion system are made by a host cell and delivered to a bacterial cell._____The proteins transported by a type III secretion system are made by a bacterial cell and delivered to a host cell.