Some molecules or particles are too large or too hydrophilic to pass through a lipid bilayer. Other molecules could pass through the bilayer but must be transported rapidly in such large numbers that channel-type transport is impractical.
Vanna White Has the World's Most G-Rated Wardrobe Malfunction on 'Wheel of Fortune'. by 11:56 AM PST, December 11, 2015. Playing Vanna White Has the World's Most G-Rated Wardrobe Malfunction on 'Wheel of Fortune'. Vanna White found herself in a sticky situation during Thursday's Wheel of Fortune. While walking across the stage, the hostess, unbeknownst to her, brought part of the set with her when a prop gift got caught on the bottom of her dress.
11 Shocking WWE Diva Wardrobe Malfunctions. 3. Jacqueline. Going back to the old school of the Attitude Era and one diva who had more than one 'wardrobe malfunction' was Jacqueline. She was in fact a very competent wrestler, a real athlete, it was in some ways a shame to see her pushed more on the sexy scale as opposed to the athletic scale.