1. - The carrier proteins span the cell surface membrane and accept the molecules or ions to be transported on one side of it., 2. - The molecules or ions bind to receptors on the channels of the carrier protein, 3. - On the inside of the cell ATP binds to the proteins causing it to split into ADP + P. As a result of this the protein molecule changes shape and opens to the opposite side of the membrane, 4. - The molecules or ions are then released to the other side of the membrane., 5 - The phosphate molecule is released from the protein and recombines with the ADP to form ATP, 6. - This causes the proteins to revert to its original shape, ready for the process to be repeated.,

Active transport process ordering

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