Multiple Choice
A proposed structure of a bacterial membrane protein shows that the distance between successive amino acids in a region crossing the membrane is 3.4 Å.Recall that a typical lipid bilayer is approximately 40 Å across.Which of the following is the most likely description of the protein?
A) The transmembrane region of the protein resembles the transmembrane region of the Ca2+-ATPase transporter protein.
B) The primary sequence of the transmembrane region of the protein is composed of approximately nine amino acids.
C) The protein contains a selectivity channel.
D) The protein resembles a porin.
Correct Answer:

Verified
Correct Answer:
Verified
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