Round 7: Tossup 12

A constituent of these biological structures called DSPC is used in the formulation of several mRNA vaccines. These structures’ flippases and scramblases (10[2])facilitate transverse movement between their (10[1])leaflets. An early sign of apoptosis is the formation of blebs in these structures. (10[1])The rigidity of these structures (10[1])at varying (10[1])temperatures is controlled by their cholesterol content. (10[2]-5[1])Proteins in these structures may be classified as “peripheral” or (10[1])“integral.” The fluid mosaic model (10[1])of these structures describes how channel proteins (-5[1])are embedded in their phospholipid bilayers. For 10 points, name these structures that separate the interior and exterior of cells. ■END■ (10[2])

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