Cost Can the image be viewed directly Is staining of the specimen required? Why is the maximum effective magnification of a light microscope said to be 1500x when it is possible to produce higher magnifications with improved lenses? Use a named example to explain the need for staining when using a light microscope. State a possible disadvantage of staining a specimen for observation when using a light microscope State 2 advantages of using electron microscopes to study cells over a light microscope. State 2 disadvantages of using electron microscopes to study cells. Describe with reference to the role of staining how the transmission electron microscope differs from a scanning electron microscope? Explain why a vacuum necessary in an electron microscope? Which microscope? State which type of microscope has been used to create the image below, give a reason for your answer. The two images below of human chromosomes were produced using a light microscope and SEM. State which is which; give a reason for your answer.
Cost Can the image be viewed directly Is staining of the specimen required? Why is the maximum effective magnification of a light microscope said to be 1500x when it is possible to produce higher magnifications with improved lenses? Use a named example to explain the need for staining when using a light microscope. State a possible disadvantage of staining a specimen for observation when using a light microscope State 2 advantages of using electron microscopes to study cells over a light microscope. State 2 disadvantages of using electron microscopes to study cells. Describe with reference to the role of staining how the transmission electron microscope differs from a scanning electron microscope? Explain why a vacuum necessary in an electron microscope? Which microscope? State which type of microscope has been used to create the image below, give a reason for your answer. The two images below of human chromosomes were produced using a light microscope and SEM. State which is which; give a reason for your answer.