Lipid rafts are
A)regions of the membrane that are high in sphingolipids, which facilitate communication with the external environment of the cell.
B)important regions of membrane structure and are comprised of phospholipids.
C)regions not typically associated with signal transduction.
D)regions where greater concentrations of sphingolipids are on the inner side of the membrane.
E)great for white-water rafting.

Question

Quizplus · Accepted Answer

Lipid rafts are regions of the membrane that are high in sphingolipids, which facilitate communication with the external environment of the cell. These regions are also enriched in cholesterol and certain types of proteins, and are believed to play important roles in signal transduction and membrane trafficking.

Lipid Rafts Are