When a membrane is freeze-fractured, the bilayer splits down the ...

[hummingbird]

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.

[Jones]

I know the answer to this , it's D. Don't forget to give me a thumbs up!

[hummingbird]

Thanks It was right!