Which of the following distinctions between bacteria classified as gram-positive and gram-negative is untrue?

• A. They have different components of the cell wall.
• B. Teichoic acids are present in gram-positive bacteria but absent in Gram-negative bacteria.
• C. After the gram stain, Gram-positive bacteria appear pink, whereas Gram-negative bacteria appear purple.
• D. Lipopolysaccharide is not present in gram-positive bacteria but is present in Gram-negative bacteria.

Answer: (C)