Pathogens Flashcards
1
Q
Identify the following pathogens
A
prions, viruses, bacteria, fungi, protists and parasites
2
Q
Prions
A
- A type of protein that triggers normal proteins in the brain to fold abnormally
3
Q
Viruses
A
- Depend on other cells to reproduce
- Made up of DNA or RNA, coated with a protein shell
- Some may have an external lipid membrane envelope
4
Q
Bacteria
A
- Prokaryotic
- Cell wall
- No nucleus or membrane bound organelles
5
Q
Fungi
A
- Eukaryotic organisms
- Secrete enzymes on host and externally digest food and then absorb nutrients
6
Q
Protists
A
- Eukaryotic organisms
- 24 species are pathogenic (most do not cause disease)
7
Q
Parasites
A
- Eukaryotic live on or in another
- Obtain nutrients at the expense of the host