Facilitated diffusion of substances crossing the cell (plasma) membrane takes place with the help of proteins such as channel proteins and carrier proteins.
The answer is sunflower oil
the larger one will not be able to survive because of how big it is. take a look at the big one. it has a few particles, but its extremely large. because of this it will die. the particles won't be able to travel all over the cell.
The doctor is checking for pain sensation. The doctor starts at the foot to check for peripheral nerves, sensory ganglia, lateral spinothalamatic, tract of the spinal cord, brainstem, thalamus, and sensory cortex. <span> </span>
D. the 4 types of tissues in the body are: muscle, nerve, connective and epithelial