Whats the difference between transport proteins and transport vesicles and they both work during passive transport?
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Transport proteins are found in the lipid bilayer of cells, they transport things from inside of the cell to outside of the cell (think of it like a staw poked through a ball... stuff from inside the balloon can flow to the outside). Transport vesicals stay inside of the cell, the carry things to the cell wall and dump their contents outside of the cell and become part of the wall (imagine these looking like bubbles with stuff inside of them) Passive transport is simply the flow of thing from higher concentration to lower concentration. This usually happens only at transport protein (more of something on the inside or outside of the cell will cause the "stuff" to flow to the opposite side)