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Microbiology Question and answers correctly solved

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  • Course
  • Microbiology
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  • Microbiology

Microbiology Question and answers correctly solved Microbiology What are dyes - correct answer •Dyes are salts Basic dye - correct answer •positive ion has the color. •Methylene blue chloride. Acidic dye - correct answer •negative ion has the color. •Sodium eosinate ...

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  • August 11, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • microbiology
  • microbiology question and answers correctly solve

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  • Microbiology
  • Microbiology

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Carzola98

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Microbiology
What are dyes - correct answer ✔•Dyes are salts


Basic dye - correct answer ✔•positive ion has the color.
•Methylene blue chloride.


Acidic dye - correct answer ✔•negative ion has the color.
•Sodium eosinate


What are basic dyes used for - correct answer ✔•Basic dyes are used to
stain the cell.
•Bacterial cell is negatively charged. It is attracted to the positive ions. Ionic
bond is formed between the cell and the stain.
•Negative cell is repelled by the negative ions. They are used to stain the
background.


Nigrosin - correct answer ✔•background is black and cells are bright. Image
is similar to what is seen in the case of dark-field.


Simple staining - correct answer ✔•a basic dye is used to stain the cell to
determine the shape and arrangement of the cells.


What is gram staining? - correct answer ✔•Gram staining is a differential
staining. It places bacteria into 2 groups.


Gram staining - correct answer ✔•Gram staining is a differential staining. It
places bacteria into 2 groups.

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