Viruses and bacteria are both microscopic and can both cause disease. viruses differ from bacteria in that all viruses a. have cell walls. b. need a living host cell to reproduce. c. cause insect transmitted diseases. d. can be destroyed by antibiotics.

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.