Which Microscope Part Is Used in Both the Electron Microscope

question 140

Multiple Choice

Which microscope part is used in both the electron microscope and the light microscope?

• A) Light beam
• B) Magnets
• C) Specimen stage
• D) Electron beam
• E) Fluorescent screen

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Definitions:

Lipid-Soluble Hormones

Hormones that can easily pass through cell membranes because they are soluble in lipids, allowing them to directly interact with cells’ internal mechanisms.

Cholesterol

A waxy, fat-like substance found in all cells of the body, necessary for the formation of cell membranes, certain hormones, and vitamin D.

Steroids

Organic compounds with four rings arranged in a specific molecular configuration, important in biology, chemistry, and medicine.

Nucleic Acid Derivatives

Molecules derived from nucleic acids, such as nucleotides, which play essential roles in genetic information storage and energy transfer.