Biological-Classification-And-System-Of-Classification Question 732
Question: Gram-negative cells stain pink because:
Options:
A) they have specialised lipids in their cell walls.
B) their peptidoglycan layer is thin.
C) their peptidoglycan layer is thick.
D) they are receptive to antibiotics.
Show Answer
Answer:
Correct Answer: B
Solution:
Their peptidoglycan layer is thin and does not retain crystal violet stain like Gram- positive bacteria do.