Question

Difference in gram positive and gram negative bacteria

Answer 1

Bacteria showing response to gram staining is called gram positive bacteria.Bacteria which is not showing response to gram staining is called gram negative bacteria.

Answer 2

Gram positive;
Retain crystal violent dye and stain blue or purple.
cell wall:20-30nm thick
cell wall is smooth
peptidoglycan is think and multilayer
periplasmic space, outer membrane, porins are absent

Gram negative;
Can be decolorized to accept counterstain (safranin) and stain pink or red
cell wall: 8-12nm thick
cell wall is wavy
peptidoglycan is thin and single layered
periplasmic space, outer membrane are present
porins occurs in outer membrane