The difference between gram +ve and gram -ye organism is the gram -ve organism contains:

Ans. (d) Aromatic amino acids Ref. Ananthanarayan Cell Wall Features Gram positive Gram negative bacteria Plasmolysis Thickness (Peptidoglycan) Variety of amino acids Aromatic and sulphur containing amino acids Lipids Teichoic acid Late Thicker Few Absent Absent or scant Present Early Thinner Several Present Present Absent