Round 5: 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 leaflets. An early sign of apoptosis is the formation of blebs in these structures. (10[1])The rigidity of these structures at varying temperatures is controlled by their cholesterol content. (10[1]-5[1])Proteins in these (10[1])structures (10[2])may be classified as “peripheral” or “integral.” (10[1])The fluid mosaic model of these structures describes how channel proteins (10[1])are embedded in their phospholipid bilayers. (10[2])For 10 points, name these structures that separate the interior and exterior of cells. ■END■ (10[1])

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