How Do Integral Membrane Proteins Enter the Lipid Bilayer

question 43

Multiple Choice

How do integral membrane proteins enter the lipid bilayer?

• A)They insert into the membrane from the RER lumen after their synthesis is complete.
• B)The aqueous translocon channel has a gate that continuously opens and closes, giving each nascent polypeptide segment a chance to partition itself into the lipid bilayer's hydrophobic core.
• C)They insert into the membrane from the cytosol after their synthesis is complete.
• D)The membrane is disrupted and proteins are incorporated during reassembly.

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