Which of the Following Statements Best Explains How a Modern

question 30

Multiple Choice

Which of the following statements best explains how a modern transmission electron microscope (TEM) can achieve a resolution of about 2.0 nanometers, whereas a standard light microscope has a maximum resolution of about 200 nanometers?

• A) TEMs utilize much higher quality glass lenses than those found in light microscopes.
• B) Staining with atoms of heavy metal provides higher contrast that the colored dyes used in light microscopy.
• C) Specimens visualized by TEM are much thicker than those observed by light microscopy.
• D) The wavelengths of electron beams are much shorter than the wavelengths of visible light.

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Definitions:

Body Stature

An individual's natural height and body build, often assessed in health and nutritional studies.

Kyphosis

An abnormal curvature of the spine, resulting in a hunched or rounded back, which can occur due to various causes such as degenerative diseases, congenital conditions, or poor posture.

Body Weight

The mass or weight of a person, measured in units such as pounds or kilograms.

Chest Circumference

A measurement around the largest part of the chest, used in medical assessments to evaluate growth and respiratory health.