ABSTRACT
Although Tl+ ions can substitute for K+ with a ten-fold higher affinity in activating the sodium pump in mullet red cells and mullet gill microsomal ATPase, they cannot mimic the effects of K+ in stimulating Na+ and Cl− efflux across the gill. This is interpreted in the light of an additional Insensitive transport component being involved.
© 1979 by Company of Biologists
1979
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