The electron microscope can be used to see the two phospholipid layers in a plasma membrane.
An electron microscope uses a beam of electrons as a source of light. It gives a high resolution image of the specimen. The magnification power of the microscope can be up to 10 million times. Electron microscope can be of two types: Scanning electron microscope (SEM) and Transmission electron microscope (TEM).
Plasma membrane is the lipid bilayer that surrounds the cell. It also contains proteins, carbohydrates and cholesterol embedded in the bilayer. The plasma membrane protects the cell from outer environment and also regulates the traffic that crosses the membrane.
The question is incomplete, the complete question is:
What type of microscope can be used to see the two phospholipid layers in a plasma membrane?
a) Phase contrast
b) Fluorescent
c) Dark-field
d) Electron
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