Which of the following best describes the structure of a biological membrane? ? a. two layers of phospholipids (with opposite orientations of the phospholipids in each layer) with each layer covered on the outside with proteins b. a fluid structure in which phospholipids and proteins move freely between sides of the membrane c. a mixture of covalently linked phospholipids and
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Which of the following best describes the structure of a biological membrane? ? a. two layers of p...
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