The Freeze-Fracture Technique of Electron Microscopy Is Useful in Studying

question 50

Multiple Choice

The freeze-fracture technique of electron microscopy is useful in studying membrane structure because

• A) integral membrane proteins can be seen in association with one leaflet of the lipid bilayer
• B) all the proteins can be removed from the membrane
• C) the degree of order of the lipid bilayer can be determined
• D) the presence of bound carbohydrates can be detected

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Definitions:

DDT

Dichloro-diphenyl-trichloroethane, a synthetic pesticide known for its environmental persistence and effects on wildlife.

Parathion

A highly toxic organophosphate pesticide used to control insects in agricultural settings.

Crop Rotation

An agricultural practice of growing different types of crops in the same area in sequential seasons to improve soil health and reduce pests.

Monocultures

The agricultural practice of growing a single species, variety, or breed of plant or animal in a field or farming system at a time.