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10 Cards in this Set

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Function and chemical composition of bacterial structure: Peptidoglycan
Function:
1. Rigid support
2. Protects against osmotic pressure

Chemical composition:
Sugar backbone with cross-linked peptide side chains
Function and chemical composition of bacterial structure: Cell wall/cell membrane
Gram positives only

Function: Major surface antigen

Chemical composition: Teichoic acid, which induces TNF and IL-1
Function and chemical composition of bacterial structure: Outer membrane
Gram negatives only

Function: Site of endotoxin (lipopolysaccharide) and major surface antigen

Chemical composition: Lipid A induces TNF and IL-1, and polysaccharide is the antigen
Function and chemical composition of bacterial structure: Plasma membrane
Function: Site of oxidative and transport enzymes

Chemical composition: Lipoprotein bilayer
Function and chemical composition of bacterial structure: Ribosome
Function: Protein synthesis

Chemical composition: 50S and 30S subunits
Function and chemical composition of bacterial structure: Periplasm
Function: Space between the cytoplasmic membrane and outer membrane in gram-negative bacteria

Chemical composition: Contains many hydrolytic enzymes, including beta-lactamases
Function and chemical composition of bacterial structure: Capsule
Function: Protects against phagocytosis

Chemical composition: Polysaccharide (except Bacillus anthracis which contains D-glutamate)
Function and chemical composition of bacterial structure: Pilus/fimbria
Function: Mediates adherence of bacteria to cell surface; sex pilus forms attachment between 2 bacteria during conjugation

Chemical composition: Glycoprotein
Function and chemical composition of bacterial structure: Flagellum
Function: Motility

Chemical composition: Protein
Function and chemical composition of bacterial structure: Spore
Function: Provides resistance to dehydration, heat, and chemicals

Chemical composition: Keratin-like coat and dipicolinic acid