The procaryotic cell wall
Cytoplasm
Oxidative phosphorylation occurs at cell membrane
(since there are no mitochondria).
Cell membrane
The cell wall is outside of cell membrane
rigid, protecting cell from osmotic lysis.
Cell Wall
The Cell Envelope
Gram Stain
Gram Positive
Gram Negative
Cell Envelope
Cell membrane + cell wall (+ plus outer membrane)
Cell wall
peptidoglycan
attached structures.
Gram positive
Gram negative
Cytoplasm
Lipoteichoic acid
Peptidoglycan-teichoic acid
Cytoplasmic membrane
GRAM POSITIVE CELL ENVELOPE
Degradative enzyme
Peptidoglycan
single macromolecule
highly cross-linked
surrounds cell
provides rigidity
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