Question

The oil immersion objective is necessary to determine the morphology of prokaryotes

Answer 1

To clearly view the morphology of the prokaryotes, one needs a microscope with higher resolution i.e magnification of ×100. Use of oil for this purpose is important because it  reduces the refraction of light as it travels from air to glass. this process increases the resolution of the microscope making it possible to view morphology of bacteria.  

Answer 2

The objective of oil immersion is necessary to determine the morphology of prokaryotes because their structures are very small, and even in this way it is usually not possible to undefy these structures.

What is immersion oil?

The immersion oil is a resource generally used with the objective of higher magnification, its function is to act as an interface between the blade and the front lens of the objective, improving the quality of the visualized image.

With this information, we can conclude that the objective of oil immersion is necessary to determine the morphology of prokaryotes because their structures are very small, and even then, it is not usually possible to disregard these structures.

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