Which of the Following Statements Are True of Viruses? (Read

Which of the following statements are true of viruses? (Read carefully and select all of the correct statements.)

A) A virus has either DNA or RNA surrounding its protein core.
B) To reproduce,a virus must be within a living cell.
C) Viruses spread from person to person only by direct contact.
D) Viruses cause disease by killing the cells they reproduce within.
E) The enzymes secreted by viruses are needed for them to obtain food.
F) Some viruses require insect vectors to spread from host to host.