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Chapter 6: Q2. (page 97)

Which type of microscope would you use to study (a) the changes in the shape of a living white blood cell and (b) the details of the surface texture of a hair?

Short Answer

Expert verified

Light microscopes study the changes occurring in the structure of a living white blood cell. Scanning electron microscopes study the texture of hair and the related surface details.

Step by step solution

01

Definition of microscopy

Microscopy was used by Robert Hooke in his studies, and he viewed cell walls for the first time. A microscope is used to magnify minor objects that are not visible to the naked eyes. Most microscopes are used for laboratory purposes.

02

Explanation for part “a”

Light microscopes are used to analyze living white blood cells. This microscope works using visible light. Mostly cell biologists use the light microscope to view the cellular organelles.

A light microscope is used to observe the overall appearance of the cells. So, it is used to study the living white blood cell.

03

Explanation for part “b”

Electron microscopy was introduced in the year 1950 to study the detailed structure within the cells. This microscope works with higher resolution compared to the light microscope.

The scanning electron microscope is used to study the three-dimensional image of the specimen.These microscopes use electromagnets instead of a lens. The beam of an electron is passed to visualize the image.

The texture of the hair is visualized in the three-dimensional format easily by SEM. Hence, scanning electron microscopes are used to predict the hair texture and a light microscope helps visualize the basic appearance of the cells, such as white blood cells.

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