Question

In: Biology

Find at least 20 differences between Gram Negative and Gram Positive bacteria and list them in...

Find at least 20 differences between Gram Negative and Gram Positive bacteria and list them in a table form or number the differences from 1 - 20.

Expert Solution

No.

Gram Postive

Gram negative

1

The peptidoglycan layer is thick and multi layered

The peptodoglycan layer is thin and single layered

2

The cell wall is thick ; 20-80 nm

The cell wall is thin ;8-10 nm

3

The outer membrane is absent

An outer membrane present

4

teichoic acids are present

Teichoic acids are absent

5

Very few amino acuds present on the cell wall

several amino acids present

6

Porins are absent

porins present in outer membrane

7

Less elasticity and very rigid

less rigid and more elastic

8

Mesosomes are more prominent

Mesosomes less prominent

9

Periplasmic space is absent

Periplasmic space present

10

very low lipid content

Lipid content is high because of the presence of outer membrane

11

Lipopolysacharide content is absent

Lipopolysaccharides are present

12

Produces endospore

Do not produce endospores usually

13

2 rings of flagellar structure in the basal body

4 rings present in basal body

14

More susceptible to antibiotics

More resistant to antibiotic

15

spore forming rods

Usually Non spore forming rods

16

Very few pathiogenic bacteria belongs in the group

More pathogenic bacteria in the group

17

High resistance to drying

Low resistance to drying

18

toxin produced are exotoxins

Exotoxins or endotoxins produces

19

High cell wall disruption by lysozyme

Low cell wall disruption by lysozyme

20

retain crystal violet dye and atain purple or blue on staining process

Thee bacteris do not retain stain colors after iy is washed with alcohol. they appear as pink color on staining.

gladiator answered 4 months ago

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