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Like the plasma membrane, organelle membranes function ... microscopy to take a snapshot through a thin cross-section or slice of a cell. In this way, they can see the structural detail and ...

The answer lies in a membrane structure called myelin ... almost all axons with diameters greater than 0.2 μm are myelinated. In cross section, the myelinated axon appears as a nearly circular ...

The membrane of the cell protects the cell from its surroundings and divides it into internal compartments; it is responsible for metabolism, energy production, communication with other cells and much ...