Why Are Lipids and Proteins Free to Move Laterally in Membranes

question 65

Multiple Choice

Why are lipids and proteins free to move laterally in membranes?

• A) The interior of the membrane is filled with liquid water.
• B) Lipids and proteins repulse each other in the membrane.
• C) Hydrophilic portions of the lipids are in the interior of the membrane.
• D) There are only weak hydrophobic interactions in the interior of the membrane.
• E) Molecules such as cellulose can pull them in various directions.

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