Which structure of the prokaryotic cell will play the role of the mitochondrion?
Correct answer: D. Mesosomes
- A. Spores
- B. Cyst
- C. Nucleoid
- D. Mesosomes
Explanation
In prokaryotic cells, which lack membrane-bound organelles like mitochondria, the role of generating energy through cellular respiration is carried out by the cell membrane and infoldings of the cell membrane called mesosomes.Mesosomes in prokaryotic cells play a role in cellular respiration and energy production, similar to the function of mitochondria in eukaryotic cells. The other options, spores (Option A), cysts (Option B), and nucleotides (Option C), do not directly perform the role of mitochondria in energy production.
This question appeared on the UHS MDCAT 2023 paper, which you can sit online with every answer explained.
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About Prokaryotic and Eukaryotic Cells
Prokaryotic cells lack a membrane-bound nucleus and complex membrane-bound organelles, whereas eukaryotic cells contain a nucleus, specialized organelles and a cytoskeleton. Comparisons include DNA organization, ribosomes, cell walls, size, division and examples such as bacteria, archaea, protists, fungi, plants and animals.
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