A) cell wall of Gram positive bacteria
B) cell wall of Gram negative bacteria
C) capsid of virus
D) protoplasm of mycoplasma
Correct Answer: A
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.
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