2st Flashcards
(19 cards)
Prokaryotic cell is simpler than eukaryotic cell at every level except?
Cell envelope
Cell wall is a polymer of what ?
Disacchride
Cell wall disacchrides exp..
N-Acetylglucosamine & N-acetylmuramic acid
Bactiera Cell wall disaccharides are linked by what
Polypeptides
E.g on mycoplasmas (atypical cells)
Mycoplasma pneumonia-walking pneumonia
What secrets endotoxin in gram negative bacteria
Lipid A from lipopolysaccharides
Species that have endotoxin
Gram negative and listeria
Exotoxin gene location
Plasmid or bacteriophage
Exotoxin antibodies name
Antitoxins
Exotoxin vaccine is formed of
Toxoids
E.g on exotoxin
Think cholera, tetanus,botulism
E.g on endotoxin
Think meningococcemia,sepsis
Flagella is made of chains of what
Flagellin
The flagellum is anchored to the wall and membrane by what
Basal body
What molecules damage the membrane
Alcohols,quaternary ammonium, polymyxin antibiotics
How the DNA is packaged in prokaryotic cells
As neucleoid and plasmid(small circular DNA pieces)(no neucli)
Example on endospores bacteria
Bacillus & clostridium
Prokaryotic and eukaryotic cells ribosomes
Pro: 70s
Euk: 80s
E.g on endospores bacteria diseases
Anthrax,botulism
