1.Regarding to the genetic material of bacteria and viruses, which statements is/are CORRECT?
(A) Bacterial transformation provided the first evidence that DNA is the genetic material of bacteria.
(B) The discovery of bacterial transformation was from the study of Streptococcus pneumonia of which thevirulence is determined by its polysaccharide capsule.
(C) Streptococcus preumonia without capsule (rough appearance) can kill mice by causing pneumonia.
(D) The genetic material of viruses can be DNA or RNA.
(E) RNA is the genetic material of some viruses that infect human.