Discussion
Teichoic acids are typically found in
Answer: A
Correct answer: cell walls of gram positive bacteria
Teichoic acids are polymers of glycerol or ribitol phosphate threaded through the peptidoglycan of gram-positive walls, some anchored to the membrane as lipoteichoic acid. They give the wall its negative charge, help bind cations, and are absent from gram-negative bacteria, which have no such layer and no outer membrane in the gram-positive sense.
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