Bacteria Flashcards
1
Q
What is structure of bacteria?
A
- prokaryotes - do not have a nucleus or membrane bound organelles
- could be rod shaped or spherical
- Gram positive bacteria (purple)
- Gram negative bacteria (red)
1
Q
How do bacteria produce toxins that damage host cells?
A
- most bacteria release toxins that poison or damage cells
2
Q
What are the types of bacteria in animals?
A
- Tuberculosis
- Bacterial Meningitis
3
Q
What are the types of bacteria in plants?
A
- Ring rot
4
Q
How is Ring rot spread?
A
- caused by gram positive bacteria. Once bacterial ring rot infects a field it cannot be used to grow plants for 2 years
5
Q
How is Ring rot transmitted?
A
- soil contamination/direct transmission
6
Q
What are the symptoms of ring rot?
A
- damaged leaves, tubers, and fruits
7
Q
How is Bacteria Meningitis spread?
A
- Meninges of the brain which spread into the rest of the body causing speticaemia (blood poisioning) and rapid death
8
Q
How is Bacteria Meningitis transmitted?
A
- direct contact
9
Q
What are the symptoms of Bacteria Meningitis?
A
- blood poisoning , red/purple rash
