As the cargo arrived, the membrane began to sag under the weight. Eps15 worked frantically, his "promiscuous" binding sites allowing him to hold multiple partners at once to keep the structure stable. He was the glue holding the early stage of the bubble—the —together. 4. The Final Pinch
Just as the bubble was about to snap off and float into the cell’s interior, Eps15’s job was done. He released his grip, allowing the newly formed vesicle to travel deep into the city. Exhausted but ready, he reset his position at the gate, waiting for the next signal to begin the cycle all over again. Eps15 ...
A signal flared at the cell’s edge—the . Nutrients were waiting to come inside, but they couldn't just walk through the wall. They needed a specialized vessel. 2. Building the Network As the cargo arrived, the membrane began to
