Gram technique

• Which type of gram bacteria have a thicker cell wall (and what does this mean)

  Gram positive bacteria have a thicker cell wall meaning the bacterium IS susceptible to penicillin
• How does gram positive bacteria keep the stain after beign washed with alchol?

  It has a thicker cell wall so it will retain the stain
• What bacteria is used to stain gram positive bacteria?

  Crysal violet
• What is used to fix the stain

  Iodine
• What is used to wash the bacteria

  Alchol
• What stain is held by gram negative bacteria

  Saffarin dye