Proteins in a membrane are
A) peripheral if they are on the inside surface held in place by the cytoskeleton.
B) integral if they are embedded in the membrane and protrude from both surfaces of the bilayer.
C) integral if they protrude from only one surface of the bilayer.
D) All of the choices are correct.

Question

Quizplus · Accepted Answer

All the statements accurately describe characteristics of membrane proteins. Peripheral proteins are associated with the membrane's inner surface and can be anchored by the cytoskeleton. Integral proteins can be embedded within the membrane, protruding from one or both surfaces, which makes all the given options correct descriptions.

Proteins in a Membrane Are