Spores Flashcards
1
Q
Size of bacteria
A
0.12microm-5microm
2
Q
shapes of bacteria
A
cocci, rod, ovoid, filamentous
3
Q
what do spores protect the bacteria against?
A
high temperatures, radiation, nutrient deprivation etc
4
Q
name 2 genuses that make spores
A
Bacillus
Clostridium
5
Q
Vegetative cell–>spore
is what process?
A
sporulation
6
Q
spore—>vegetative cell
is what process?
A
germination
7
Q
Structure of endospores from inside out?
A
Core - Ca2+ ions enter to make up for lost water
Spore wall
Cortex - peptidoglyan
Spore coats - thick layers of different proteins
Exosporium - hard shell, made of protein+keratin
8
Q
What will NOT remove endospores?
A
boiling water
9
Q
How to sterilise spores?
A
heat and chemical combo
endospores are used to test sterilisation processes
