Biological-Classification-And-System-Of-Classification Question 779

Question: The main difference between Gram positive and Gram negative bacteria lies in the composition of:

Options:

A) Cilia

B) Cell wall

C) Nucleolus

D) Cytoplasm

Show Answer

Answer:

Correct Answer: B

Solution:

In Gram-positive bacteria, cell wall is 200-300 A thick and have 85% mucopeptides and 1-2% lipids while in Gram-negative bacteria cell wall is 100-200 A thick and 12% mucopeptides are have 10-12% and 80-90% lipids.