Gram Positive Vs Gram Negative. 32 rows Jul 07 2020 Gram-positive bacteria- cell wall examples diseases antibiotics Gram. In a Gram stain test these organisms yield a positive result.
In contrast Gram-negative bacteria do not retain the violet dye and are colored red or pink. Gram positive cells stain purple when subjected to a Gram stain procedure. While thick the Gram-positive bacterias membrane absorbs foreign materials Grams dye even those that prove toxic to its insides.
Dr Mike explains the differences between gram ve and gram -ve bacteria and how we exploit these differences clinically.
Gram positive cells stain purple when subjected to a Gram stain procedure. The cell wall of the former kind is thicker peptidoglycan wall whereas that of latter is thinner. Gram-positive bacteria are the group of a heterogeneous bacteria which appear purple in colour when they are stained in the crystal violet. As a result Gram-negative bacteria are not destroyed by certain detergents which easily kill Gram-positive bacteria.
