Lab Assignment Gram stain:
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Lab : Gram Stain
Short Answer:
1)What are the advantages of differential staining over simple staining?
2) What is the principle of the Gram stain process?
3) List the purpose of each of the following reagents in the differential staining process:
Primary Stain
Mordant
Decolorizing agent
Counterstain
4) Which of the following cell wall components is unique to gram-negative cells?
a. lipopolysaccharide
b. teichoic acid
c. mycolic acid
d. Peptidoglycan
5) Bacterial cell walls are primarily composed of which of the following:
a. phospholipid
b. protein
c. carbohydrate
d. peptidoglycan
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