Passive transport PPT

Understand the difference between active and passive transport, their roles in supplying nutrients, oxygen, water and other essential

Passive transport is movement of a substance across a membrane from an area of high concentration to an area of low concentration There is no energy or ATP

passive transport The simplest forms of transport across a membrane are passive Passive transport does not require the cell to expend any energy and involves a substance

active transport 5 Active transport requires carrier proteins In passive transport carrier proteins are not involved However, in facilitated diffusion