Q. Which of the following protects the bacteria from the enzymes present in the external medium?
A) Slime layer
B) S-layer
C) Flagella
D) Cell wall
Explanation
Many Gram positive and Gram negative bacteria have a regular structured layer called slime-layer on their surface. It may protect the cell against ion and pH fluctuations, osmotic stress, enzymes etc.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.