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BIOL132 Gram-stain bacteria - the process

Quiz by DaisyStradling
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Last updated: January 19, 2023
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First submittedJanuary 19, 2023
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Average score71.4%
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question
Answer
what are the bacterial cells coated with in the first stage of gram staining ?
crystal violet oxalate
in the second stage of gram staining the cells are washed with .......
ethanol
which two stains are usually used as a counterstain in gram staining ? B....... B.... or S.......
Bismarck brown, safranin
cells which take up the first stain and therefore show as violet are .... ..... ....... bacteria
gram stain positive
cells which take up the counterstain and therefore show as red/pink are .... ..... .......
gram stain negative
what is the major difference between gram stain positive and gram stain negative bacteria ?
cell wall
what substance can be found in both gram stain positive and negative bacterial cell walls ? .............
peptidoglycan
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