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Porin Proteins Form Large, Barrel-Like Channels in the Membrane

Question 14

Multiple Choice

Porin proteins form large, barrel-like channels in the membrane.Which of the following statements about these channels is FALSE?


A) They are made primarily of α helices.
B) They are made primarily of β sheets.
C) They cannot form narrow channels.
D) They have alternating hydrophobic and hydrophilic amino acids.

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