passive transport. n. The movement of a chemical substance across a cell membrane without expenditure of energy by the cell, as in diffusion.
Passive Transport Part 1
Passive transport is a type of membrane transport that does not require energy to move substances across cell membranes. Instead of using cellular energy.
The most direct forms of membrane transport are passive. Passive transport is a naturally occurring phenomenon and does not require the cell to expend energy to. Diffusion is a form of passive transport. It is when substances move from areas of high concentration to areas of low concentration without energy input.
Passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. definition. Types. Define passive-transport. Passive-transport as a noun means The movement of a chemical substance across a cell membrane without expenditure of energy by the. Passive transport is the movement of ions and molecules along the concentration gradient without the application of any external energy.