Question

Which of the group of organisms have a protein rich layer called pellicle $?$

Answer 1

Introduction of pellicle

Pellicle is a protein rich layer present in some organisms. It is present in place of the cell wall and provides flexibility to the organism.

Euglenoids

In euglenoids instead of cell walls, pellicles or periplasts are present. The pellicle helps in changing the morphology of the organism.