Histones were extracted from frog livers and testes and analyzed by electrophoresis on long polyacrylamide gels and on sodium dodecyl sulfate (SDS)-containing polyacrylamide gels. Frog histones were ...
Berkeley - Native male leopard frogs throughout the nation's Corn Belt are being feminized by an herbicide, atrazine, used extensively to kill weeds on the country's leading export crops, corn and ...
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