Question

What is the difference between gram positive and negative bacteria?

Answer 1

Gram-positive bacteria:

1. Gram-positive bacteria have a thick peptidoglycan layer without an outer lipid membrane.
2. Gram-positive bacteria are bacteria that give a positive result by staying purple in the Gram stain test.

Gram-negative bacteria:

1. Gram-negative appears red underneath the microscope after performing gram staining.
2. Gram-negative are resistant to antibiotics.

Gram-positive bacteria	Gram-negative bacteria
1.A single-layered, smooth cell wall is present.	1.A double-layered, wavy cell wall is present.
2. Teichoic acids are present.	2. Teichoic acids are not present.
3. Lipopolysaccharide is not present.	3. Lipopolysaccharide is present.
4.The outer membrane is not present.	4.The outer membrane is present.
5.Lipid content is low.	5.Lipid content is high.
6.The ratio of DNA to RNA is 1:8.	6. The ratio of DNA to RNA is 1:1.