Translocation of Some Anions, Cations, and Acids in Turnip (Brassica napus L.) Mitochondria |
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Authors: | MOORE, ANTHONY L. WILSON, S. BRIAN |
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Abstract: | The translocation of various anions, cations, and acids acrossthe membrane system of turnip mitchondria has been investigatedby light scattering techniques. The results imply that the membranesof turnip mitochondria are not permeable to choline, K+, Na+,, , , and . It has been established that Cl,, and SCN passively permeate the mitochondrial membrane. It is probable that permeates as NH3 and that and cross the membrane either as the corresponding acid or on ananion/ hydroxide antiporter. The alkali metals Na+ and K+ equilibrateacross the membrane via specific H+/Na+ and H+/K+ antiporters,having similar activity at neutral pH. |
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