What Functions Do Membrane Proteins Serve

question 154

Multiple Choice

What functions do membrane proteins serve?

• A) synthesize phospholipids for the maintenance and growth of the cell membrane
• B) transport nutrients into the cell that cannot otherwise cross the phospholipid bilayer
• C) transport wastes out of the cell that cannot otherwise cross the cell membrane
• D) prevent small,uncharged substances from crossing the phospholipid bilayer
• E) synthesize DNA within the cell using raw materials found outside the cell

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