Which of the following microscopes is useful | vedclass

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(C) The $Phase$ $contrast$ microscope is specifically designed to visualize transparent specimens,such as living cells,without the need for staining.

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Phase contrast

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(C) The $Phase$ $contrast$ microscope is specifically designed to visualize transparent specimens,such as living cells,without the need for staining. It works by converting phase shifts in light passing through a transparent specimen into brightness changes in the image. $SEM$ ($Scanning$ $Electron$ $Microscope$) and $TEM$ ($Transmission$ $Electron$ $Microscope$) require the specimen to be fixed,dehydrated,and often coated with heavy metals,which kills the cell. Fluorescent microscopy typically requires the use of fluorescent dyes or proteins to label specific structures,which may not be suitable for observing a cell in its completely natural,unstained state.

Which of the following microscopes is useful for studying a living cell directly without staining?

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