Cytoskeletal elements are found in a. Eukaryotes b. Archaea c. Yeast d. Prokaryotes e. All of...

Cytoskeletal elements are found in

a. Eukaryotes

b. Archaea

c. Yeast

d. Prokaryotes

e. All of the above

Expert Solution

The correct answer is (e) All of the above

Reason : All the enlisted options have a distinct and defined cytoskeleton.

Eukaryotes have a cytoskeleton consisting of three elements, namely Microfilaments, Microtubules and intermediate filaments.

Archaeal cytoskeleton is primarily actin based, which helps in holding its cellular framework and organisation together.

Yeast cytoskeleton is also primarily actin filament based. During the budding process, filamentous actin fibres help in endocytosis and cell wall synthesis.

Prokaryotes also have a cytoskeleton, but it is not too well defined and distinct. The prokaryotic cytoskeleton primarily consists of 3 elements, namely FtsZ, MreB and CreS. They are basically involved during cell division, cell polarity and shape maintenance respectively.

Hence all these microorganisms contain cytoskeletal elements, concluding that (e) is correct.

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