If a Modern Electron Microscope (TEM)can Resolve Biological Images to the Nanometer

question 33

Multiple Choice

If a modern electron microscope (TEM) can resolve biological images to the nanometer level, as opposed to the best light microscope, this is due to which of the following?

• A)The focal length of the electron microscope is significantly longer.
• B)Contrast is enhanced by staining with atoms of heavy metal.
• C)Electron beams have much shorter wavelengths than visible light.
• D)The electron microscope has much greater ratio of image size to real size.
• E)The electron microscope cannot image whole cells at one time.

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Definitions:

Infographic

A visual representation of information or data, designed to make complex information easily understandable at a glance.

Carbon Dioxide Emissions

The release of CO2 into the atmosphere, primarily through the burning of fossil fuels, contributing to global warming and climate change.

Climate Change

The long-term alteration of temperature and typical weather patterns in a place, often attributed to human activity.

Global Temperatures

a measurement that reflects the average temperature of the Earth's surface and atmosphere.