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7 terms

Bacteria

STUDY
PLAY
Cytoplasmic Cell Membrane
Proteins> lipids> carbohydrates
little mechanical strength
Same in gram +ve and -ve
osmotic barrier
cell wall synth
cytochrome activity
facillitated diffusion
Active transport
Secondary active transport
Group transporters
Transport across the cell membrane
Cell wall
Peptidoglycan layer- acetylglucosamine and acetylmumaric acid
Cross linking is mediated by transpeptidases and carboxypeptidases
provides rigidity
prevents osmotic lysis
Capsule
glycocalyx
loose polysaccharide layer
prevents phagocytosis and opsonisation
Flagella
Helically coiled protein
Provides rapid movement
moderately antigenic
fimbrae
Hair like structures
critical virulence factor in Neisseria ghonnorhea
Bind to specific molecules
Sex pilli
E.coli provide virulence
Transfer of DNA inter-specifically and inter-generalically