Learn ACTIVE TRANSPORT with 10 pictures (PART 3)
Active transport illustrates what happens when a cell uses energy to transport something ( part 3 )
Active transport – Vesicle movement: endocytosis and exocytosis.
If you want to see videos about active transport, check this one
Proteins have a mission to against a concentration gradient. That term implies they are tapping something (usually ions) from areas of lower to higher concentration. Neurons always same like it. The membrane proteins are regularly pumping ions in and out to get the membrane of the neuron ready to send electrical impulses.