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A mechanism for multiphasic uptake of solutes in plants


, : A mechanism for multiphasic uptake of solutes in plants. Physiologia Plantarum 55(2): 121-128

A molecular mechanism is proposed for unitary multiphasic uptake in which the carrier has 2 binding sites for the substrate. The 1st site binds n-1 molecules of substrate and then 1 additional substrate molecule can become bound at the 2nd binding site. Only this last molecule is transported in the operation of the carrier molecule. In the free state, the carrier can be activated to successive states with increasing affinities for the substrate in the 2 binding sites.

US$19.90

DOI: 10.1111/j.1399-3054.1982.tb02274.x


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