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Q.
Teichoic acid is present in
Rajasthan PMTRajasthan PMT 2009
Solution:
Teichoic acids are bacterial polysaccharides of glycerol phosphate or ribitol phosphate linked via phosphodiester bonds. These acids are present in the cell wall of Gram (+ve) bacteria eg, Staphylococci, Streptococci, etc. The main function of teichoic acid is to provide rigidity to the cell wall by attracting cations such as magnesium and sodium.