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Williams Biology
Chapter 11 Study Guide
Term | Definition |
---|---|
Genetically modified foods | a food product with genes that have been changed |
Immunity | the ability to fight off a specific pathogen |
Pathogen | also known as a germ |
Replication | Process where DNA copies itself |
Nonspecific defense | includes skin and mucous |
Infectious disease | passes from one person to another, similar to the flu |
Vaccine | used to protect a person from a specific disease |
Downs syndrome | results when chromosome 21 does not separate |
Antigen | a foreign molecule that turns on the immune system |
Immune system | protects the body from disease |
a parasite | absorbs food from a living thing and harms it |