Tryptophan Hydrolysis GM-VE b.how will you inoculate? c.How will you incubate? d. what are Post- Incubation procedures? e. How will you read the positive and negative results?
Tryptophan Hydrolysis GM-VE
b.how will you inoculate?
c.How will you incubate?
d. what are Post- Incubation procedures?
e. How will you read the positive and negative results?
Bacteria are microscopic organisms which belong to prokaryote because these are unicellular organisms. On the basis of staining the microbes can also be distinguished as gram-positive and gram-negative by the help of gram staining.
Bacterial cell wall is chemically composed of peptidoglycan layer, which are unique to them. In gram positive bacteria, peptidoglycans consist of a single 20 to 80 nm thick homogeneous layer lying outside the plasma membrane. In contrast, the Gram-negative bacterial cell wall consists of 2 to 7 nm thick peptidoglycan layer covered by a 7 to 8nm thick outer membrane (lipopolysaccharide layer).
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