phospholipids are large organic molecules with a __,polar phosphate head connected to ___,non polar fatty acid tails. How do these molecules arrange themselves to form a mostly impermeable barrier between a liposome and its environment
hydrophilic; hydrophobic; they line up hydrophobic tails facing each other at the center line of the membrane with the hydrophilic heads facing outward, away from the center line of the membrane
during the process of ___, water diffuses across a semipermeable membrane from a hypotonic solution to a hypertonic solution
osmosis
adenine, thymine, guanine, and cytosine are the ___ building blocks for DNA; they are organized in different combos to code for all of the proteins needed to accomplish everything the cell does
nucleotide
