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Question

A membranous coiled semicircular structure attached to plasma membrane and found in blue-green algae is called

A
Lamellasome
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B
Lomasome
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C
Mesosome
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D
Microsome
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Solution

The correct option is A Lamellasome
A membranous coiled semicircular structure attached to plasma membrane and found in blue-green algae is called as Lamellasome. It is approximately 200 mμ in diameter. Mesosome is folded invagination found in the plasma membrane of bacteria that increases the surface area. They are the site of respiration. Microsome is a fragment of endoplasmic reticulum. It is an artificial structure and is not present in living cell.
Thus, the correct answer is 'Lamellasome.'

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