Bacteria Flashcards
1
Q
Describe spore reproduction
A
- Spore develops within the bacterium
- Thin protein wall surrounds the spore
- The parent cell disintegrates
- The spore is released
2
Q
Classify bacteria by shape
A
- Cocci (spherical) Coccus Eg. Meningitis
- Bacillus (rod shaped) bacilli Eg. Salmonella
- Curved spirilla (spiral) STDs
3
Q
List the advantages of bacteria
A
Produce vitamins b and k in the gut
Food production
Food supplements
Decompose waste
4
Q
List the disadvantages of bacteria
A
Diseases
Food spoilage
Contamination and food poisoning
5
Q
Growing conditions
A
Food Oxygen Temperature Moisture pH Time
6
Q
Gram +
A
Blue
Cell wall with one layer
No flagella
Produce spores
7
Q
Gram -
A
Pink
Cell wall with two layers
Flagella
No spore production
