New answers tagged transformation
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The bacterial cell wall is quite porous, and is not considered a permeability barrier for most small molecules. It mainly functions as structural support and to resist turgor pressures.
The average pore size of relaxed peptidoglycans were measured to have a radius in a range of about 2.0 to 2.5 nm, regardless of thickness (i.e. Gram + and Gram - bacteria ...
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