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Class 9
Chapter 7 Class 9 - Diversity In Living Organisms

Gram Positive and Gram Negative bacteria

Last updated at April 16, 2024 by

  • Some bacteria have a very thick cell wall which makes them take up Gram stain and appear violet.
  • There are other bacteria which have a thin cell wall and on Gram staining appear pink.
  • Usually, gram +ve bacteria are pathogenic in nature.
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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo