Question
Keeping is viewed the structure of cell membrane, which one of the following statements is correct with respect to the movements of liquid and proteins from one liquid monolayer to the other (flip-flop movement).
While proteins can flip flop, liquids can not
Neither lipids, nor proteins can flip flop
Both lipids and proteins can flip flop
While lipids can rarely flip-flop, proteins can not
Solution
D.
While lipids can rarely flip-flop, proteins can not
The flip-flop movement refers to the transfer of lipid molecules from one side of the bilayer to the other, Enzymes are concerned with the enzymatic activity of the membrane.
