Bacteria Flashcards
1
Q
What type of cells are bacteria?
A
Prokaryotic
2
Q
How is bacteria DNA found? (2)
A
- Floating freely within the cytoplasm
- Not enclosed within a nucleus
3
Q
What is the cytoplasm of bacteria surrounded by?
A
Cell membrane
4
Q
What is the cytoplasm of bacteria similar to?
A
Eukaryotic cells
5
Q
What is around the cell membrane of a bacteria?
A
Cell wall
6
Q
What is the cell wall of a bacteria made of?
A
Peptidoglycan
7
Q
Why doesn’t absolute alcohol kill bacteria? (3)
A
- Bacteria dehydrate and lose water
- Doesn’t ensure death
- Could become active again as soon as in contact with water again
8
Q
Why does dilute alcohol gel solution kill bacteria more effectively?
A
- Osmotic conditions maintained
- Ensures bacteria not dehydrated for alcohol to kill them
