Question

Difference between gram positive and gram negative bacteria list

Answer 1

Key Points: Gram Positive vs. Gram Negative Bacteria

1.Most bacteria can be broadly classified as Gram positive or Gram negative.

2.Gram positive bacteria have cell walls composed of thick layers of peptidoglycan.

3.Gram positive cells stain purple when subjected to a Gram stain procedure.

4.Gram negative bacteria have cell walls with a thin layer of peptidoglycan. The cell wall also includes an outer membrane with lipopolysaccharide (LPS) molecules attached.

5.Gram negative bacteria stain pink when subjected to a Gram stain procedure.

6.While both Gram positive and Gram negative bacteria produce exotoxins, only Gram negative bacteria produce endotoxins.

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