Sample Hypothesis: If the mystery food is tofu, then it will react with the reagent that indicates the presence of a protein because tofu is primarily protein. Which reagent is used to test for protein?

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