Transmembrane Proteins …

Multiple Choice

Transmembrane proteins …

A) are typically exposed only to one side of the membrane.
B) can be released from the membrane by a gentle extraction procedure such as salt treatment.
C) are often further attached to the membrane via a GPI anchor.
D) are sometimes covalently attached to a fatty acid chain that inserts into the membrane.
E) cannot contain β sheets in the part of their structure that interacts with the membrane interior.