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Question

Infolding of the membrane in bacterial cells observed in chemically fixed bacterial samples when observed under electron microscope are called

A
Inclusion bodies
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B
Extracellular matrix
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C
Mesosome
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D
Vacuoles
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Solution

The correct option is C Mesosome

Invaginations or infolding of the cell membrane were observed in chemically fixed bacterial samples when observed under electron microscope. These are called- mesosomes- they were also thought to have different functions. But later, it was discovered that the infoldings were caused due to chemical fixation techniques used in the lab- and that these mesosomes were not present in the bacterial cells originally.


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