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  4. What is the function of the rich protein layer found in Euglena instead of a cell wall?

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Q. What is the function of the rich protein layer found in Euglena instead of a cell wall?

NTA AbhyasNTA Abhyas 2020Biological Classification

Solution:

Euglenoids are freshwater organisms. Instead of a cell wall, they have a protein-rich layer called pellicle which makes their body flexible. They have two flagella, a short and a long one. Though they are photosynthetic in the presence of sunlight, when deprived of sunlight, they behave like heterotrophs by predating on other smaller organisms.