50 POINTS ANSWER ASAP PLZ!! A student draws a fence with several gates as part of a model of cellular transport. Explain what the fence and the gates represent, relating their structures to their functions. Explain how the model could represent both active transport using protein pumps and facilitated diffusion.

Match each description with the correct form of energy. 1. energy of an object's position above the ground. 2. stored in the bonds of atoms and molecules 3. stored in the nucleus of an atom 4. energy of vibrating molecules 5. movement of objects used to do work 6. created by vibrations in electric and magnetic fields chemical energy mechanical energy heat gravitational energy light nuclear energy