When a Membrane Is Freeze-Fractured, the Bilayer Splits Down the Middle

question 39

Multiple Choice

When a membrane is freeze-fractured, the bilayer splits down the middle between the two layers of phospholipids. In an electron micrograph of a freeze-fractured membrane, the bumps seen on the fractured surface of the membrane are

• A) peripheral proteins.
• B) phospholipids.
• C) carbohydrates.
• D) integral proteins.
• E) cholesterol molecules.

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Definitions:

Anchor Stores

A large retail store that attracts people to shop at malls.

Secondary

Pertaining to the second level or stage; often refers to activities, information, or products that are not the primary focus but nevertheless important.

Location Types

Various categories of places where businesses can operate, including urban, rural, industrial, and commercial areas.

Craft Store

A retail establishment that sells materials and supplies for art, hobbies, and handcrafting projects.