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Question

Teichoic acid is found in:

A
Gram (+ve) bacteria
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B
Gram (-ve) bacteria
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C
Cyanobacteria
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D
Mycoplasma
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Solution

The correct option is A Gram (+ve) bacteria
Cell wall of Gram +ve bacteria is made up of several layers of peptidoglycans and groups of molecules of teichoic acid run perpendicular to them. The main function of teichoic acids is to provide rigidity to the cell-wall by attracting cations such as magnesium and sodium.

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