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Which among the following does not have a cell wall?

April 15, 2024 by rawan239

Euglena

Paramecium

Gonyaulax

Mycoplasma

The correct answer is D. Mycoplasma.

Mycoplasma are the smallest and simplest free-living organisms known to exist. They are prokaryotes, meaning they do not have a nucleus or other membrane-bound organelles. They are also the only bacteria that do not have a cell wall.

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This makes them very fragile and sensitive to changes in their environment.

Euglena are unicellular organisms that are sometimes classified as plants and sometimes as animals. They have a cell wall made of cellulose, which is a type of plant cell wall.

Paramecium are unicellular organisms that are classified as animals. They have a cell membrane, but no cell wall.

Gonyaulax are unicellular organisms that are classified as algae. They have a cell wall made of cellulose.

Therefore, the only organism that does not have a cell wall is Mycoplasma.

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