Midnight, Texas â SERIES PREMIERE Based on Charlaine Harrisâ book series by the same name, âMidnight, Texasââ follows the lives of the inhabitants of a small town where the concept of normal is relative. A haven for vampires, witches, psychics, hit men and others with extraordinary backgrounds, Midnight gives outsiders a place to belong.
Facilitated diffusion. Definition. noun. Transport of substances across a biological membrane from an area of higher concentration to an area of lower concentration by means of a carrier molecule. Since the substances move along the direction of their concentration gradients, energy is not required.
Facilitated diffusion. Facilitated diffusion is a process whereby a substance passes through a membrane with a aid of an intermediary or a facilitator. The facilitator is an i ntegral membrane protein that spans the width of the membrane.The force that drives the molecule from one side of the membrane to the other is the force of diffusion.acilitated diffusion. Facilitated diffusion is a process whereby a substance passes through a membrane with a aid of an intermediary or a facilitator. The facilitator is an i ntegral membrane protein that spans the width of the membrane.