Question
Specialized enzymes called ____ assist in the transition or “flip” between layers of lipids.
Answer
Specialized enzymes called flippases assist in the transition or “flip” between layers of lipids.
Note: When forming bilayer membranes, the polar heads of phospholipids are able to face toward the watery environment within and outside the cell, while the tails create a nonpolar inner layer within the membrane, creating a barrier to polar molecules that allows the regulation of their passage in and out of the cell.
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The cell ( plasma ) membrane is often described as ____.
The cell membrane permits ____ compounds to cross easily
The theory that underlies the structure and function of the cell membrane is referred to as the ____.
The phospholipid bilayer also includes proteins and distinct signaling areas within ____.
Carbohydrates associated with membrane-bound proteins create a ____.
____ create a glycoprotein coat .