Jim spent a hot summer day playing soccer with his friends. he was sweating throughout the day, but he stopped sweating once he went back to his air-conditioned room. which characteristic of life is demonstrated by this situation?
a)acquiring energy
b)homeostasis
c)reproduction
d)respiration

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