Multiple choice

In a Gram-positive cell wall, the structure responsible for providing antigenicity to the organism is

  1. lipoteichoic acid

  2. teichoic acid

  3. lipopolysaccharide

  4. peptide chain

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lipoteichoic acid confers antigenic properties to Gram-positive organisms. It stimulates specific immune responses and is released from the bacterial cells mainly after bacteriolysis is induced by lysozymes, cationic peptides from leucocytes or beta-lactam antibiotics.