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Microbiology Task 1 Introduction: Gram-positive and Gram-negative bacteria have a big difference in cell wall structure that is examined during the gram staining lab. Gram-positive bacteria have thick layers of peptidoglycan. When these bacteria are sta

Microbiology Task 1

 

Introduction:

                Gram-positive and Gram-negative bacteria have a big difference in cell wall structure that is examined during the gram staining lab. Gram-positive bacteria have thick layers of peptidoglycan. When these bacteria are stained, using a crystal violet dye, they will remain purple. Gram-negative bacteria have thin peptidoglycan walls, which do not retain the purple dye. It must be counterstained with safranin turning them pink.

Materials and Methods:

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