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Question

Which one of the following is absent in eukaryotes?

A
Nucleolus
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B
Plastid
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C
Mesosome
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D
Ribosomes
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Solution

The correct option is C Mesosome
  • Mesosomes are absent in eukaryotes.
  • Mesosomes refers to the folded invaginations in the plasma membrane of prokaryotes or bacterial cells.
  • Its main function is to increase the surface area of the plasma membrane.
  • When the surface area of the membrane is increased it helps to carry out the cellular respiration more efficiently.
  • So, the correct answer is 'Mesosome'.

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