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Factors Affecting Active Transport



Active transport is the movement of solutes such as glucose, amino acids and mineral ions; From an area of their low concentration to an area of high concentration. It is movement against a concentration gradient and therefore energy is required. As such it only takes place in living organisms The energy needed comes from respiration. Certain proteins in the cell surface membrane responsible for this movement are referred to as carrier proteins or channel proteins. The shape of each type of carrier protein is specific to the type of substances conveyed through it. It has been shown that the substance fits into a particular slot on the protein molecule,. As the protein changes from one form of shape to another the substance is moved across and energy is expended   Factors Affecting Active Transport                      Availability of oxygen Energy needed for active transport is provided through respiration An increase in the… Read More »ACTIVE TRANSPORT

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