Flashcards in An introduction to Bacteria Deck (18)
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1
Gram positive stain
Purple
2
Gram negative stain
Red
3
Fimbriae are for
Adhesion and attachment
4
What is the function of the capsule?
Defence mechanism as is slimy and prevents the bacteria from being phagocytosed
5
Flagellum are for
Movement
6
Gram positive have a thick or thin peptidoglycan layer?
Thick
7
Cocci
Spherical
8
Bacilli
Rod shaped
9
Coccobacilli
Intermediate form
10
Penicillin binding proteins
Associated with enzymes that synthesise peptidoglycan
11
Peptidoglycan
Strength and structure
Carbohydrate cross linked to amino acids
12
Lipopolysaccharide
Also know an endotoxin
Elicit immune response due to the presence of O antigen
Only found in gram negative
13
Spores - Gram positive or negative?
Gram positive only when nutrients are in low supply
14
Bacteriophage
A virus which eats bacteria by injecting their DNA which becomes incorporated into the bacterial genome and multiplies to eventually lyse the cell
15
First part of bacteria name is
Genus
16
Second part of bacteria name is
Species
17
Do species have similar characteristics?
Yes
18
