Pathogens-organisms (bacteria, fungi, viruses) that cause disease
Pathogens-organisms (bacteria, fungi, viruses) that cause disease. Not all bacteria, fungi, viruses cause disease. Bacteria are single-celled microorganisms that do not have a distinct cell nucleus enclosed by a membrane, unlike most other cells. Microorganisms like this are called prokaryotic organisms. Most bacteria live outside the cells of the host they infect (though there are […]