MCQ Microbiology Answer 33
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The periplasm is the space between the outer membrane and plasma membrane of bacteria. The periplasmic space in Escherichia coli has been shown to contain a number of proteins, sugars, amino acids, and inorganic ions. Ethylenediaminetetraacetic acid (EDTA) is a chelating agent that disrupts the cell walls of Gram-negative bacteria.
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