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Lecture 4

Prokaryotic Cell Structure

QuestionAnswer
Prokaryote Type of cell lacking membrane bound nucleus or organelles
Gram Positive Group of bacteria that have cell wall, less complex and has more peptidoglycan. Less toxic
Gram Negative More complex cell walls, less peptidoglycan. More toxic
Peptidoglycan Type of polymer in bacterial cell walls consisting of sugars cross-linked by short polypeptides
Penicillin Antibiotics used in the treatments of bacterial infections usually Gram Positive
Periplasmic Space Space bordered by 2 selectively permeable membranes (inner and outer membranes of gram negative)
Outer Membrane Found in Gram Negative, includes Lypopolysaccharide
Teichoic Acid Found within cell walls of Gram Positive bacteria
Flagella Cellular appendage for locomotion
Flagellin Protein arranged in a cylinder to form filament in bacterial flagellum
Created by: 831425276
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