3. Which of the following is true related to bacteria. (A) Mycoplasmas are stained as Gram-positive due to their thick waxy cell envelope. (B) Deinococcus radiodurans facilitates oxygenic photosynthesis using phycobilisomes that contain light-harvesting pigments. (C) Alpha-proteobacteria are the largest subgroup of proteobacteria, including the pseudomonads. (D) Acinetobacteria baunannii is one of the most common causing agents for hospital-acquired infectious diseases such as pneumonia. (E) Hemolysis is an important property to identify the genus Streptococcus, in which alpha-hemolysis is characterized by a clear zone of complete lysis in blood agar plates. parasite.