passive transport

passive transport   Dan active transport

Passive Transport

Perhaps the simplest case of passive transport occurs where membrane proteins form channels through the lipid membrane These either involve only one  Passive transport does not require energy down concentration gradients Often, substances have to be moved from a low to a high concentration

สงวนชัย Passive transport is the name for a class of transport processes that do not require energy from the cell for the transport to take place In the terms of Understand the difference between active and passive transport, their roles in supplying nutrients, oxygen, water and other essential