Free Flashcard From Chapter 7
Question:
When a membrane is freeze-fractured, the bilayer splits down the middle between the twolayers of phospholipids. In an electron micrograph of a freeze-fractured membrane, the bumpsseen on the fractured surface of the membrane are
A) peripheral proteins.
B) phospholipids.
C) carbohydrates.
D) integral proteins.
E) cholesterol molecules.
Answer:
D) integral proteins.