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Byju's Answer
Standard IX
Biology
Structure of Bacteria
Which one of ...
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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