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The instructions for making proteins come originally from

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer