pathogens - bio Flashcards
1
Q
what is a microorganism
A
an organism that can only be seen under a microscope
2
Q
pathogens
A
microorganisms that cause infectious disease
3
Q
what are the 4 types of pathogens
A
bacteria
protists
fungi
virus
4
Q
communicable disease
A
a disease that can be spread directly or indirectly
5
Q
how does a bacteria affect cells
A
reproduces rapidly -> toxins -> damage tissues
6
Q
how does a virus affect cells
A
invades the host cell -> reproduces in the cell -> cell bursts