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6.13: Mechanisms of Microbial Control

Last updated

Jan 3, 2021
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- 6.12C: Relative Resistance of Microbes
- 6.13A: Alteration of Membrane Permeability

Boundless
Boundless

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Topic hierarchy

6.13A: Alteration of Membrane Permeability
As a phospholipid bilayer, the lipid portion of the outer membrane is impermeable to charged molecules. Although, porin channels are present in the outer membrane that allow for passive transport, across the outer membrane, of many ions, sugars, and amino acids. These molecules are present in the periplasm, the region between the cytoplasmic and outer membranes. The periplasm contains the peptidoglycan layer and also many proteins responsible for substrate and reception of extracellular signals.
6.13B: Damage to Proteins and Nucleic Acids
A bacteriostatic agent is a biological or chemical agent that stops bacteria from reproducing by targeting DNA replication and proteins.

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