Which of the following is are true regarding gram positive

Last updated: 5/14/2023

Which of the following is are true regarding gram positive and gram negative bacteria 1 Gram positive bacteria have a thick peptidoglycan layer II Gram negative bacteria do not have peptidoglycan in their cell wall III Gram positive bacteria stain purple IV Gram negative bacteria stain pink III and IV only II and III only I and II only I only I III and IV only