Question

Which of the following are true for Gram-negative bacteria?

a.

upon alcohol treatment, the permeability of the cell wall increases

b.

crystal violet-iodine (CV-I) complex is extracted

c.

pore size decreases and the CV-I complex cannot be extracted

d.

alcohol treatment increases the permeability of the cell wall and the CV-I complex can be extracted

Answer: (d).alcohol treatment increases the permeability of the cell wall and the CV-I complex can be extracted

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Q. Which of the following are true for Gram-negative bacteria?

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