An infectious particle made only of a strand of DNA (or RNA) surrounded by a protein coat.
Anything that can cause a disease, such as bacteria, fungi, or a virus.
Infectious particles that cause disease in plants. They are made of single-strand DNA without a protein coat.
The part of a virus that holds DNA
A type of viral infection in which the host cell bursts, releasing new viral offspring to infect other cells.
To cause disease
A type of infection where a virus combines its DNA into the host cell's DNA
A cell that a virus has attacked and is using to reproduce.
A rapid outbreak of an infection. The flu is an example of an __________. In the U.S., 20 million people are infected with the flu every year.
To happen quickly
A substance, often given as a shot, that causes the body to defend against viral diseases. For example, you got the DTAP ________.
A long, whip-like structure outside of a cell that is used for movement, kind of like a tail that helps a bacteria swim.
A poison released by an organism. Bacteria can cause illness because it releases this into the bloodstream.
chemicals that kill or slow the growth of bacteria.