Identify the cell organelle from the given characters;
(i) They help in respiration
(ii) They help in cell wall formation
(iii) They help in DNA replication
(iv) They increase the surface area of the plasma membrane
(v) They are prokaryotic structures

Chromosomes

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Ribosomes

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Mesosomes

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Lysosomes

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Polysome

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Solution

The correct option is A Mesosomes
Mesosome is a cell organelle that is present in prokaryotes. It is a folded invagination of the plasma membrane of bacteria and other prokaryotes. Due to invaginations, it increases the surface area of the plasma membrane. It contains the respiratory enzymes. Hence, it helps in the process of respiration. It also helps in DNA replication, secretion of glycocalyx in cell wall formation and cell division.
Thus, the correct answer is 'Mesosomes.'

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