Download Active Transport Definition Biology Simple Gif. Usually, molecules are traveling against a concentration another type of active transport is secondary active transport. Active transport relies on the use of energy to move substances into and out of cells.
One sort of active transport channel will be able to bind to something it's purported to transport, for example, a (na) sodium ion particle � and hold onto it until a molecule of atp comes along and binds to the macromolecule proteins.
Here is my biology book definition.can someon give these to me in simple plain english please!?!? Active transport is for the most part related to high concentrations of molecules that the cell requires, for example, ions, or amino acids. Sometimes organisms require certain substances and therefore need to move we can say thus say the definition of active transport is as follows: Uptake of glucose by epithelial cells in the villi of the small intestine (and by kidney tubules).
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