Keeping in view the ‘fluid mosaic model’ for the
structure of cell membrane, which one of the
following statement is correct with respect to the
movements of lipids and proteins from one lipid
monolayer to the other (described as flip-flop
movement)?
(a) While proteins can flip-flop, lipids can not
(b) Neither lipids, nor proteins can flip-flop
(c) Both lipids and proteins can flip-flop
(d) While lipids can rarely flip-flop, proteins cannot.

1 Answer

Answer :

(d) While lipids can rarely flip-flop, proteins cannot.

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