Dual pattern of DL-leucine absorption by duckweed root tips |
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| Authors: | Newton Ronald J |
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| Institution: | Department of Biology, Texas A&M University, College Station Texas 77843, U.S.A. |
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| Abstract: | The rates of cellular absorption of DL-leucine from solutionsof different concentrations indicate the presence of dual uptakemechanisms in root tips of Lemna minor, one in the low (0.01to 0.2 mM) and the other in the high (5 to 25 mM) concentrationrange. The absorption pattern for the lower concentrations conformsto Michaelis-Menten kinetics.
1Supported in part by a Grant-in-Aid of Research from the Societyof Sigma Xi. (Received June 19, 1973; ) |
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