In the lab during early studies of viruses that infect bacteria Tobacco mosaic disease Stunts growth of tobacco plants and gives their leaves a mosaic coloration. Aided in discovery of viruses Viral genome May consist of either double or single-stranded DNA or RNA, based on the kind of nucleic...
用Quizlet學習並牢記包含How do all viruses differ from bacteria? A) Viruses are filterable. B) Viruses are obligate intracellular parasites. C) Viruses do not have any nucleic acid. D) Viruses are not composed of cells. E) Viruses do not reproduce.、Which
infectious agents, including certain viruses, bacteria, fungi, and parasites immunity the resistance to a given pathogen conferred by the activity of the immune system innate immunity nonspecific defenses, such as physical and chemical barriers and specialized white blood cells that are present from bir...
Virus that infects bacteria; attaches to bacterial cell wall, injects genetic material, and uses host machinery for replication Lytic vs. Lysogenic State Lytic state: Virus replicates and causes cell lysis; Lysogenic state: Viral DNA integrates into host genome and remains dormant ...
A tiny, nonliving particle that invades and then reproduces inside a living cell. Bacteria single-celled organisms that lack a nucleus; prokaryotes Prokaryotic cells that do not have a nucleus vaccine A preparation of weakened or killed pathogens, used to prevent viral infections antibiotics Drugs ...