Cell membranes are selectively permeable, regulating which substances can pass through, as well as how much of each substance ca
n enter or exit at a given time. In cells, some molecules can move down their concentration gradients by crossing the phospholipid portion of the membrane directly, while others must pass through membrane proteins. Which of these statements does NOT apply to facilitated diffusion?
Explanation: The two finches eat different kinds of food. The woodpecker finch eats insects and the large ground finch eats seeds. They do not compete for the same resources.
